Authors with last names beginning with M:
B. E. Maahs – The Murder, Truffles and Dogs Mysteries
M. J. Mac – The Kennedy Reeves Mysteries
Dee MacDonald – The Kate Palmer Mysteries
Karen MacInerney – The Dewberry Farm Mysteries, The Gray Whale Inn Mysteries, The Snug Harbor Mysteries
Catherine Mack – The Vacation Mysteries
Julie Mackenzie – The Father Tom Fish & Will Mysteries
Zanna Mackenzie – The Abi Anderson Mysteries, The Amber Reed Mysteries, The Glen Falls Mysteries, The Recipe For Disaster Mysteries, The Travel Writer Mysteries
Dawn MacKinnon – The Mr. Mustachio Murders
Elaine Macko – The Alex Harris Mysteries
Anna Maclean – The Louisa May Alcott Mysteries
Kate Maclean – The Breeze Village Mysteries
Charlotte MacLeod – The Grub-and-Stakers Mysteries, The Madoc and Janet Rhys Mysteries, The Peter Shandy Mysteries, The Sarah Kelling & Max Bittersohn Mysteries
Juliet MacLeod – The Flower of Scotland Mysteries, The Sage Wisdom Mysteries
Shea MacLeod – The Deepwood Witches Mysteries, The Lady Rample Mysteries, The Season of the Witch Mysteries, The Sugar Martin Vintage Mysteries, The Viola Roberts Mysteries
Rett MacPherson – The Torie O’Shea Mysteries
Molly MacRae – The Haunted Shell Shop Mysteries, The Haunted Yarn Shop Mysteries, The Highland Bookshop Mysteries, The Lewis Wilder Mysteries, The Margaret & Bitsy Mysteries
Meg Macy – The Mariner’s Pointe Mysteries, The Teddy Bear Mysteries
Kari Lee Madden – The Mysteries and Mirth Mysteries
Ada Madison – The Professor Sophie Knowles Mysteries
Andie Madison – The Page 7 Mysteries
Una Madison – The Alex Moore Mysteries, The Lighthouse Library Mysteries
Ember Mae – The Veronica Swift Mysteries
Savannah Mae – The Jinx Cove Mysteries
Miranda Maen – The Dually-Idaho Mysteries
Mary Jane Maffini – The Camilla MacPhee Mysteries, The Charlotte Adams Professional Organizer Mysteries, The Fiona Silk Mysteries
Millie Magnolia – The Luna Lacross Mysteries
Tegan Maher – The Cori Sloane Witch Mysteries, The Enchanted Coast Magical Mysteries, The Haunted Lodge Mysteries, The Paranormal Artifacts Mysteries, The Paranormal Christmas Mysteries, The Paranormal Halloween Mysteries, The Witches of Keyhole Lake Mysteries
Carrin Mahmood – The Vivianna Luxe Mysteries
Alex Mahon – The Happy Cat’s Home Mysteries
Annette Mahon – The St. Rose Quilting Bee Mysteries
Allie Mahoney – The Dame Alice Mysteries
Michael Malaghan – The Matilda Bonelle Mysteries
Janet Butler Male – The Milly’s Magical Midlife Mysteries
Britt Malka – The Mystery Book Club
S. R. Mallery – The Brooke & Abby Mysteries
Frank Malley – The Lexford Town Mysteries
G. M. Malliet – The Augusta Hawke Mysteries, The Max Tudor Mysteries
Ava Mallory – The Beatrice Montoya Mysteries, The Drop Dead Famous Mysteries, The Freya Hemingway Mysteries, The Mercy Mares Mysteries, The Missy Rae Mysteries
Valerie S. Malmont – The Tori Miracle Mysteries
Rose Malone – The Martha’s Vineyard Mysteries
Marco Malvaldi – The Pellegrino Artusi Mysteries
Mia P. Manansala – The Tita Rosie’s Kitchen Mysteries
Debbi Manders – The Phantom Springs Mysteries
Pauline Manders – The Utterly Crime Mysteries
Sabina Manea – The Lucia Steer London Mysteries
Maria Mankin – The Rev & Rye Mysteries
Kathy Manos Penn – The Dickens & Christie Mysteries
Blanche Day Manos – The Darcy & Flora Mysteries, The Ned McNeil Mysteries
Scarlet Mansion – The Arden Carter Mysteries
Molly Maple – The Apple Blossom Bay Mysteries, The Cupcake Crimes Mysteries
Erin Lark Maples – The Sheridan County Mysteries
Eleanor Maplewood – The Mabel Hartwell Mysteries
Anna Mara – The Mrs. Pidgeon Mysteries
Iris March – The Succulent Sleuth Mysteries
Maggie March – The Lucy McGuffin Mysteries
Melodie March – The Wintervale Mysteries
Helena Marchmont – The Bunburry Mysteries
Deanne Marcus-Rupert – The Raven Hollow Mysteries
Mimi Maren – The Sandy Shores Mysteries
Kitty Margo – The Maggie and Irene Mysteries
Ann S. Marie – The Dana Sweet Mysteries
Janine Marie – Rigging A Murder
L. A. Marie – The Caribbean Escape Mysteries, The Coffee Spirits Mysteries, The Grandma’s Tea House Mysteries, The Raven Falls Quilters Mysteries, The Wayward Wexford Mysteries
Laurie Anne Marie – The Ashley Crane Mysteries
Mary Marks – The Quilting Mysteries
Savannah Marlake – The Dying for a Coffee Mysteries, The Murder on the Menu Mysteries
Louise Marley – The English Village Mysteries
Maisy Marple – Maisy Marple’s Bite-Sized Mysteries, The Connie Cafe Mysteries, The Fun Foodie Mysteries, The Pastor Bob Brown Mysteries, The RV Resort Mysteries
Megan Marple – The Charm Kitty Mysteries, The Ice Witch Mysteries, The Spell Maven Mysteries, The Tell-Tale Tavern Mysteries, The Winter Witches of Holiday Haven, The Witch Hazel Lane Mysteries
Mona Marple – The Christmas Mysteries, The Mexican Mysteries, The Mystic Springs Mysteries, The Waterfell Tweed Mysteries
Carole Marples – The Merang Mysteries
Christie Marquess – The Provence Mysteries
Carrie Marsh – The Millerfield Village Mysteries
Charley Marsh – The Destination Death Mysteries
Katie Marsh – The Bad Girls Detective Agency
Merle Marsh – The Finest Retirement Home Ever
Evan Marshall – The Jane & Winky Mysteries
Kelly Marshall – The Magnolia Bluff Crime Chronicles
R. B. Marshall – The Highland Horse Whisperer Mysteries, The Lady Persephone Mysteries, Riddles, Resolutions and Revenge
Jaime Marsman – The Crabapple Yarns Mysteries
Abbie L. Martin – The Lilly Pilly Creek Mysteries
Alexandra Martin – The Taco Truck Mysteries
Carol Ann Martin – The Weaving Mysteries
Cate Martin – The Viking Witch Mysteries, The Weal and Woe Bookshop Mysteries, The Witches Three Mysteries
Elizabeth Martin – The Cruise Ship Mysteries
Faith Martin – The Jenny Starling Mysteries, The Monica Noble Mysteries, The Travelling Cook Mysteries
Jill-Ayn Martin – The Cookie Crumbles Mysteries, The Otay Bay Book Club Mysteries, The Senior Delinquents Mysteries, The Stevie Coral Mysteries, The Two Old Biddies Mysteries
Luna Martin – The Merry Meet Witch Mysteries
Nancy Martin – The Blackbird Sisters Mysteries, The Miss Ruffles Mysteries
Jennie Marts – The Bee Keeping Mysteries, The Page Turners Mysteries
Louise Marvin – Seasons of the Witch
Kelly Mason – The Branden Bay Paranormal Cafe Mysteries, The Cotswold Coven Mysteries, Lady Ellen Investigates
P. A. Mason – The Trouble Down Under Mysteries
Taya Mason – The Sundae Rose Mysteries
Willow Mason – The Beezley and the Witch Mysteries, The Dewsbury Down Mysteries, The Newborn Pixie Mysteries, The Otautahi Witching Academy Mysteries, The Very Shifty Mysteries, The Witch Like a Boss Mysteries
Sujata Massey – The Perveen Mistry Mysteries
Sonja Massie – The Granny Reid Mysteries, The Savannah Reid Mysteries
Lisa Q. Mathews – The Irish Bed & Breakfast Mysteries, The Ladies Smythe & Westin
Julie Mathison – The Canary House Mysteries
Mary Matthews – The Magical Cool Cats Mysteries
Olivia Matthews – The Peach Coast Library Mysteries, The Sister Lou Mysteries, The Spice Isle Bakery Mysteries
Claire Matturro – The Trouble Cat Mysteries
Staci Mauney – The Bunco Club Mysteries
Alyssa Maxwell – The Gilded Newport Mysteries, The Lady and Lady’s Maid Mysteries
Diane Maxwell – The Kathy Vallory Mysteries
Edith Maxwell – The Local Foods Mysteries
Justine Maxwell – The Coffee Truck Mysteries
Mary Maxwell – The Scoops & Snoops Mysteries, The Sky High Pies Mysteries
Dee May – The Josephina and Peach Mysteries
Lucy May – The Lemon Tea Mysteries, The This Good Witch Mysteries, The Wicked Good Mysteries
Maggie May – The Mary and Eli Mysteries
Tam May – The Adele Gossling Mysteries
Angela Mayble – The Cookies & Schemes Mysteries, The Criminal Confections Mysteries, The Freshly Brewed Mysteries, The Killer Cupcakes Mysteries
Dale Mayer – The Lovely Lethal Gardens Mysteries
Casey Mayes – Mystery by the Numbers
Megan Mayfair – The Lana Honeywell Mysteries, The Lemon Tree Bay Mysteries
Margaret Mayhew – The Village Mysteries
Marg McAlister – The Georgie B. Goode Vintage Trailer Mysteries
Jane McAllen – The Truman Blue Therapy Dog Mysteries
Ivy McAllister – The Fran Finch Mysteries
Jennifer McAndrews – The Stained-Glass Mysteries
Lynn McAvenia – The Happy Spine Club Mysteries
V. L. McBeath – Eliza Thomson Investigates
Susan McBride – The Debutante Dropout Mysteries, The River Road Mysteries
Amanda McCabe – The Flora Flowerdew Mysteries, The Kate Haywood Elizabethan Mysteries
Alexander McCall Smith – The No. 1 Ladies Detective Agency Mysteries
Erin McCarthy – The Friendship Harbor Mysteries, The Murder By Design Mysteries
Marian McCarthy – The Psychic Last Responder Mysteries
Dane McCaslin – The 2 Sisters Pet Valet Mysteries, The Aloha Lagoon Mysteries, The Proverbial Crime Mysteries
Pippa McCathie – The Havard and Lambert Mysteries
A. S. McClatchie – The Solent Island Mysteries
Lise McClendon – The Alix Thorssen Mysteries, The Bennett Sisters Mysteries
Violet McCloud – The Pacific Pies Mysteries
K. L. McCluskey – The Kirk Lake Camp Mysteries
K. McConnell – The Hamlet Mysteries
Maggie McConnon – The Bel McGrath Mysteries
Pamela McCord – The Erin Baily Mysteries
Susan McCormick – The San Francisco Mysteries
Lorena McCourtney – The Andi McConnell Mysteries, The Ivy Malone Mysteries, The Mac ’n’ Ivy Mysteries
Marjorie McCown – The Hollywood Mysteries
Angel Leigh McCoy – The Catsitter Mysteries
Bonita Y. McCoy – The Amy Kate Mysteries
Judi McCoy – The Dog Walker Mysteries
Max McCoy – The Ophelia Wylde Mysteries
Mel McCoy – The Cruise Ship Mysteries, The Whodunit Pet Mysteries
Cheyenne McCray – The Shawna Taylor Mysteries
Tina Swayzee McCright – The Garland Creek Mysteries, The Homeowners’ Association Mysteries, The Paparazzi Pooch Mysteries, The Super Jax Superhero Mysteries
Mark McCrum – The Francis Meadowes Mysteries
Karen McCullough – The Market Center Mysteries
C. S. McDonald – The Fiona Quinn Mysteries, The Owl’s Nest Mysteries
Chris McDonald – The Stonebridge Mysteries
Ellie McDougan – The Cherryville Mysteries
Deb McEwan – The Island Dog Squad Mysteries, The Mediterranean island Mysteries
Annie McEwen – The Northwoods Mysteries
Melrose McFadden – The Major Bummers Mysteries, The Wicked Wick Mysteries
Arlene McFarlane – The Murder, Curlers Mysteries
Courtney McFarlin – The Clowder Cats Mysteries, The Escape from Reality Mysteries, The Millie the Miracle Cat Mysteries, The Razzy Cat Mysteries, The Siren’s Song Mysteries, The Soul Seeker Mysteries
Karny McFlynn – The Fairly Mysterious Mysteries, The Thyme Witch Mysteries
Kat McGee – The Midnight Calls Ghost Hunter Mysteries, The Murder, She Witches Mysteries, The Witches of Willow Hollow Mysteries
K. T. McGivens – The Katie Porter Mysteries
Celeste McGoogan – The Corpus Christi Mysteries
Nancy McGovern – The Bluebell Knopps Witch Mysteries, The Comfort Cakes Mysteries, The Murder In Milburn Mysteries, The Return To Milburn Mysteries, The Shot & Framed Mysteries, The Slice of Paradise Mysteries, The Spark & Joy Mysteries, The Wandering Nomads Mysteries
Marja McGraw – The Accidental Gumshoe Mysteries
Shawn McGuire – The Hearth & Cauldron Mysteries, The Whispering Pines Mysteries
Christine McHaines – The Quentin Cadbury Mysteries
Mary McHugh – The Happy Hoofers Mysteries
T. H. McHugh – The Nora Thompson Mysteries
Ralph M. McInerny – The Father Dowling Mysteries
Eileen Haavik McIntire – The 90s Club Mysteries
Stephanie Parker McKean – The Fog Busters Detectives
Kathleen McKee – The Aspen Notch Mysteries
Vickie McKeehan – The Beachcomber Mysteries, The Coyote Wells Mysteries
Clara McKenna – The Stella and Lyndy Mysteries
Elizabeth McKenna – The Front Page Mysteries
Tatie McKenna – The Kat and Dog Detective Agency Mysteries
Jane McKenzie – The Beth’s Bakery Mysteries
G. A. McKevett – The Granny Reid Mysteries, The Savannah Reid Mysteries
Jenn McKinlay – The Cupcake Bakery Mysteries, The Hat Shop Mysteries, The Library Lover’s Mysteries
Rebecca McKinnon – The Clear Creek Mysteries, The Octavia Fields Mysteries
Sean McLachlan – The Berlin Murders
Staci McLaughlin – The Blossom Valley Mysteries
Daphne McLean – The Pembury Acres Mysteries
Donna McLean – The Sparrow Falls Mysteries
Rachel McLean – The London Mysteries
Patricia McLinn – The Caught Dead in Wyoming Mysteries, The Secret Sleuth Mysteries
Mark McNease – The Maggie Dahl Mysteries
Tess McNeill – The Nora Nash Mysteries
Donna B. McNicol – The C’Mon Inn Mysteries, The Harpertown Mysteries, The Holiday Corner Mysteries, The Open House Mysteries, The Red Line Coffee Mysteries
K. D. McNiven – The Magnolia Bluff Crime Chronicles
Amy McNulty – The Spooky Games Club Mysteries, The Witchy Expo Services Mysteries
Janet McNulty – The Mellow Summers Mysteries
Catriona McPherson – The Dandy Gilver Mysteries, The Last Ditch Mysteries
Lynn McPherson – The Izzy Walsh Mysteries
Angela McRae – The Junkin’ Jewelry Mysteries
Cricket McRae – The Home Crafting Mysteries
Karen McSpade – The Crystal Beach Mysteries
Kerry McVane – The Isle of Skiach Mysteries
Kate McVaugh – The Letty in Naples Mysteries
Emily McVie – The Vegan Witches of Redondo Beach
Amy Patricia Meade – The Marjorie McClelland Mysteries, The Rosie the Riveter Mysteries, The Tish Tarragon Mysteries, The Vermont Country Living Mysteries
Wendy Meadows – The Alaska Mysteries, The Brown’s Grounds Mysteries, The Candy Store Mysteries, The Chocolate Mysteries, The Maple Hills Mysteries, The Nether Edge Mysteries, The Pineville Gazette Mysteries, The Rosemary Harbor Mysteries, The Snow Falls Alaska Mysteries, The Sweet Peach Bakery Mysteries, The Sweet Shop Mysteries, The Sweetfern Harbor Mysteries, The Tinsel Pine Mysteries, The Travel Writer Mysteries, The Twin Berry Bakery Mysteries, The Witch in Hurtler’s Gulch Mysteries, The Witch of Wickrock Bay Mysteries
C. J. Meads – The C. J. Gray Mysteries
Tony Medawar – Bodies From the Library
Leslie Meier – The Lucy Stone Mysteries
Rosie Meleady – The Deadly Wedding Mysteries
DonnaRae Menard – The It’s Never Too Late Mysteries
Dana Mentink – The Finny’s Nose Mysteries, The Shake Shop Mysteries
Karen Baugh Menuhin – The Heathcliff Lennox Mysteries, Miss Busby Investigates
Robin Merrill – The Gertrude in South Dakota Mysteries, The Gertrude, Gumshoe Mysteries, The Wing and a Prayer Mysteries
Blair Merrin – The Bandit Hills Mysteries
S. C. Merritt – The Bucket List Mysteries, The Sweetwater Springs Southern Mysteries
Tom Meschery – The Brovelli Brothers Mysteries
Catherine Mesick – The Witches of Crabtree Bay Mysteries
Lynn Messina – The Beatrice Hyde-Clare Mysteries, The Verity Lark Mysteries
Julia Mestre – The Hudson Valley Mysteries
Amy Metz – The Goose Pimple Junction Mysteries
Kathryn Meyer Griffith – The Spookie Town Murder Mysteries
Megan Preston Meyer – The Corporate Elements Mysteries
Tara Meyers – The Secrets of Sanctuary Mysteries
Teresa Michael – The Mariposa Cafe Mysteries
J. B. Michaels – The Mac and Millie Mysteries
Sharon Michaels – The Canine Cozy Mysteries, The Dog Gone Good Mysteries, The Holiday Corner Mysteries, The Oscar the Doxie Detective Mysteries, The Pam and Paul Bigelow Mysteries, The Tabitha Clive Mysteries, The Witch’s Creek Mysteries
Sophie Michaels – The Katey Frost Mysteries
Chelsea Michelle – The Watson Twins Mysteries
Kayla Michelle – The Chloe Cook Mysteries
Marilyn Miggles – The Sunshine Bluff Mysteries, The Sylvia’s Ice Cream Parlor Mysteries
Beth Hamer Miles – The Cousins Mysteries
Liza Miles – The Rose McLaren Mysteries
Mary Miley – The Roaring Twenties Mysteries
K. T. Mill – The Welsh Village Mysteries
Margaret Millar – The Paul Prye Investigations
B. Allison Miller – The Bittersweet Bakery Mysteries, The Spruce Grove Mysteries
Carol Miller – The Fortune Telling Mysteries, The Moonshine Mysteries
Emma Miller – The Amish Mysteries
Kayt Miller – The Mabel Frye Mysteries
M. J. Miller – The Luckland Mysteries
Maddie Smith Miller – The Moonglow Hollow Mysteries
Melissa F. Miller – The We Sisters Three Mysteries
Serena B. Miller – The Doreen Sizemore Mysteries
Suzie Lou Miller – The Lydenlea Mysteries, The Rosemary Riley Mysteries
Theresa Miller – The Hedge Witch Mysteries
Molly Milligan – The Celtic Witch Mysteries, The Celtic Witch Magical Casebook, The Everyday Witches of Wildham-on-Sea
Bartenn Mills – The Quilt Shop Mysteries
Leona Mills – The Christmas Street Café Mysteries
Lee Mims – The Cleo Cooper Mysteries
Camille Minichino – The Periodic Table Mysteries, The Sister Francesca Mysteries
Sue Minix – The Bookstore Mysteries
C. C. Minniti – The Mediterranean Mysteries
Allyssa Mirry – The Diva Doggie Designer Mysteries, The Parties on the Pier Mysteries, The Sticky Sweet Mysteries, The Sugar and Showtime Mysteries
Tina Mischke – The Too Nosy to Retire Mysteries
C. T. Mitchell – The Father Douglas Mysteries, The Kate Mackenzie Mysteries, The Lady Margaret Turnbull Mysteries, The Miss Coco Mysteries, The Selena Sharma Mysteries
Caryn Thomas Mitchell – The Ivy Bloom Mysteries
Cass Mitchell – The Molly and Marmalade Mysteries
D. L. Mitchell – The Coral Shores Veterinary Mysteries
Gracie Ruth Mitchell – Happily Ever Homicide
J. Lee Mitchell – The Red Herring Inn Mysteries
Ormolu Mockingbird – The Hatterton Crow Mysteries
Gwen Moffat – The Miss Pink Mysteries
Pam Moll – The Molly Brewster Mysteries
Ada Moncrieff – The Christmas Mysteries
Laney Monday – The Brenna Battle Mysteries
Jill Monroe – The Jane Ladling Mysteries
Melissa Monroe – The Priscilla Pratt Mysteries
Nancy Monroe – The Lake Wilson Mysteries
Willow Monroe – The Ace Baxter Ghost Chronicles, The Cooper Sisters Mysteries, The Dixie Cupp Diner Mysteries, The Jagged Grove Mysteries
K. L. Montgomery – The Dangerous Curves Mysteries, The Felines of Fairytale Forest Mysteries, The Musical Murder Mysteries
Hetty Montrose – The Coral Lime Mysteries
Mary Moody – The Lucy St. Elmo Antiques Mysteries
Tyora Moody – The Eugeena Patterson Mysteries, The Joss Miller Mysteries
Hermione Moon – The Avalon Café Mysteries
Annie Mooney – The Mystic Mountain Mysteries
Marion Moore Hill – The Scrappy Librarian Mysteries
Susan Moore Jordan – The Augusta McKee Mysteries
Addison Moore – The Brambleberry Bay Murder Club Mysteries, The Country Cottage Mysteries, Cruising Through Midlife, The Hot Flash Homicides, The Meow For Murder Mysteries, The Murder in the Mix Mysteries, The Pain in the Assassin Mysteries
Clementine Moore – The Ginger Burnet Mysteries, The Maggie Hopps Mysteries
Dionne Moore – The LaTisha Barnhart Mysteries
Ian Moore – The Follet Valley Mysteries
Joyce Elson Moore – The Lute Player Mysteries
Judy Moore – The To Die For Mysteries
Marie Moore – The Sidney Marsh Mysteries
Phyllis H. Moore – The Meg Miller Mysteries, The We’re All Connected Mysteries
Rosie Moore – The Nancy Greene Mysteries
Sharon Arthur Moore – The Dinner is Served Mysteries
M’Lissa Moorecroft – The Blackfriar Mysteries, The Chocolate Cozy Mysteries, The Christmas Baking Challenge, The Seascape Cove Mysteries, The Silver Springs Cooking Competition Mysteries
Ruth Moose – The Dixie Dew Mysteries
Terrie Farley Moran – Murder She Wrote, The Read ’Em and Eat Mysteries, The ScrapBooking Mysteries
Rita Moreau – The Ghost & Camper Kooky Mysteries, The Mary Catherine Mahoney Mysteries
Valentina Morelli – Monastery, Murders and the Dolce Vita
A. B. Morgan – The Quirk Files
Alexis Morgan – The Abby McCree Mysteries
Amelia Morgan – The Enchanted Bay Witch Mysteries
Arlene Morgan – The Granny Gertie Diner Mysteries, The Adventures of Katie and Cludo
Deborah Morgan – The Antique Lover’s Mysteries
Jennifer J. Morgan – The Libby Madsen Mysteries
K. M. Morgan – The Daisy McDare Mysteries
Kathy Morgan – The Woodford Mysteries
Maisy Morgan – The Sweets Shop Mysteries
Mel Morgan – The Crooked Quilt Mysteries, The Last Resort Mysteries, The Secondhand Sleuth Mysteries
Rayna Morgan – The Sister Sleuths Mysteries
Laura Morrigan – The Call of the Wilde Mysteries
G. G. Morris – The Alphabet District Mysteries
Gilbert Morris – Jacques and Cleo, Cat Detectives
Hugh Morrison – The Reverend Shaw Mysteries
Lynn Morrison – The Dora and Rex Mysteries, The Oxford Key Mysteries, The Stakes and Spells Mysteries
Miranda Morrissey – The Ivy Sherwood Mysteries
Cynthia Morrow – The Blanchard House Mysteries
Jayna Morrow – The Motorhome Mysteries
Jayme Morse – The Magic Valley Mysteries
Myrtle Morse – The Courtside Cafe Mysteries, The Justine French Mysteries
Mandy Morton – The No. 2 Feline Detective Agency Mysteries
Shane Morton – The Drag Queen Detective Mysteries
Heather Mosko – The Miller’s Fine Antiques Mysteries
Dana Moss – The Sweet Taffy Mysteries
Korina Moss – The Cheese Shop Mysteries
Scarlett Moss – The House Sitters Mysteries, The Law & Carter Mysteries, The Magnolia Bay Mysteries, The Paisley Island Mysteries
Greg Mosse – The Maisie Cooper Mysteries
Diane Mott Davidson – The Goldy Schulz Mysteries
Ana Moure – The Primrose and Sage Mysteries
James Moushon – The Oakley Ranch Mysteries
Liz Mugavero – The Pawsitively Organic Mysteries
Meg Muldoon – The Christmas River Mysteries, The Cozy Matchmaker Mysteries, The Dog Town USA Mysteries, The Holly Hopewell Mysteries, The Witches of Broomfield Bay Mysteries
Julie Mulhern – The Country Club Mysteries
Amy Mull Fremgen – The Eula May Mysteries
Melinda Mullet – The Whisky Business Mysteries
Kimberly Mullins – The Notebook Mysteries
Debbie Mumford – The Kristi Lundrigan Mysteries
Katy Munger – The Hubbert & Lil Mysteries
Ileana Muñoz Renfroe – The Holiday Corner Mysteries, The Rosa The Cuban Psychic Mysteries, The Tarot and Caravan Mysteries, The Witches of Wisterious Bay
Catie Murphy – The Dublin Driver Mysteries
Christy Murphy – The Fair Witch Sisters Mysteries, The Mom and Christy’s Mysteries
J. J. Murphy – The Algonquin Round Table Mysteries
Julie Murphy – The Cat Who Cookbooks
Kitty Murphy – The Dublin Drag Mysteries
Mary Grace Murphy – The Noshes Up North Mysteries
Shirley Rousseau Murphy – The Joe Grey Mysteries
Amita Murray – The Arya Winters Mysteries
Donna Huston Murray – The Ginger Barnes Mysteries
Jack Murray – The Agatha Aston Mysteries, The Bobbie Flynn Mysteries, The Kit and Mary Aston Mysteries, The Lord Kit Aston Mysteries
Jesse Leigh Murray – The Blythe River Mysteries
Judy L. Murray – The Chesapeake Bay Mysteries
Donna Muse – The Macey & Mugsy Mysteries, The Mrs. Pomolo Investigates Mysteries
Naomi Muse – Confessions of a Fairy Glamother, The Witchy Bakery Mysteries
Karen Musser Nortman – The Frannie Shoemaker Campground Mysteries, The Mystery Sisters
R. A. Muth – The Haunted Housekeeping Mysteries
Amy Myers – The Auguste Didier Mysteries, The British Stately Home Mysteries, The Jack Colby, Car Detective Mysteries, The Marsh and Daughter Mysteries, The Tom Wasp Mysteries
Ann Myers – The Santa Fe Cafe Mysteries
Sarah Seaton Myers – The Gluten Free Bakery Mysteries
Tamar Myers – The Den of Antiquity Mysteries, The Pennsylvania Dutch Mysteries
Tim Myers – The Candlemaking Mysteries, The Cardmaking Mysteries, The Lighthouse Inn Mysteries, The Puzzling Mysteries, The Slow Cooker Mysteries, The Soapmaking Mysteries
Kathryn Mykel – The Duchess of Snodsbury Mysteries, The Holiday Pet Sleuth Myseries, The Quilting Mysteries, The Sassy Senior Sleuths, The Traveling Mysteries, The Washy Time Laundromat Mysteries