- Mail Order Marion (Chapman Mail Order Brides: Book 1)
- Mail Order Match
- Mail Order Mayhem
- Mail Order Meals
- Mail Order Melody
- Mail Order Melody (Chapman Mail Order Brides: Book 3)
- Mail Order Misfortune
- Mail Order Mishap
- Mail Order Mix-Up
- Mail Order Montana
- Mail Order Moonlight
- Mail Order Mornings
- Mail Order Mrs. DELUXE Boxed Set
- Mail Order Outlaw
- Mail Order Valentine
- Mail Order Vows (Sweet Mail Order Bride Historical Romance Novel)
- Mail Order Widow
- Mail Order Wife
- Mail Order Wife 3-Book Boxed Set Bundle
- Mail Order Wyoming
- Mail-Order Brides of the Southwest
- Mail-Order Counsins 4: Bridget
- Mail-Order Cousins 2: Per
- Mail-Order Cousins 3: Lindy
- Mail-Order Cousins 5: Anya
- Mail-Order Groom
- Mail-Order Marriage Promise
- Mail-Order Passion
- Mail-Order Shotgun Wedding
- Maire [The Sisters O'Ryan 4]
- Maizy the Bear Charmer [Divine Creek Ranch 16]
- Majesty's Rancho
- Majesty’s Rancho
- Make Me Stay
- Make Me Yours
- Make Mine a Cowboy
- Make-Believe Beau
- Make-Believe Mom
- Making Christmas (Wyoming Wildflowers, Book 10)
- Making Friends, Except With Her Husband: A Pair of Mail Order Bride Romances
- Making Her Mark (Merindah Park, #2)
- Making Him A Soft, Grey Shirt: Four Historical Romance Novellas
- Making Memories (A Mindalby Outback Romance, #6)
- Making the Play
- Malachite
- Man Alone
- Man in Control
- Man in Control & Take Me, Cowboy
- Man of the West
- Man with a Past
- Manchester United With Her California Farmer (A Mail Order Bride Romance)
- Mandy and the Cowboy Mogul
- Mandy's Homebound Cowboys [Casanova Cowboys 2]
- Manifest Destiny [The Matchmaker 3]
- Manifested Destiny [How the West Was Done 4]
- Mansfield Park
- Maps of Fate: Book Two
- Maralie
- Marathon Cowboys
- Marbleface
- Marcas y Moños
- Marci's Desire
- Margaret's Music Box
- Margaret, Mail Order Bride
- Mariages à rebondissements
- Maribeth's Endless Love
- Marine in the Wind
- Marissa's Men
- Mark
- Mark: Secret Cowboy
- Mark: Secret Cowboy & Rancher and Protector
- Marooned with the Maverick
- Marriage & A New Life Wanted (A Pair of Mail Order Bride Romances)
- Marriage on the Frontier
- Marriage-Minded Cowboy
- Married at Christmas: A Southern Belle Civil War Short Story
- Married in Name Only
- Married in Whitehorn
- Married Till Christmas
- Marry Me, Cowboy
- Marrying Dr. Maverick
- Marrying My Cowboy
- Marrying the Cowboy
- Marrying the Preacher's Daughter
- Marrying the Rancher
- Mary & Joseph : A Frontier Romance A Collection of Western & Amish Romance
- Mary Barton
- Mary Layfield Mail Order Bride
- Mary The Mail Order Bride
- Mary's Musket
- Mary’s Mail Order Husband
- Mas que una mujer, una hiena
- Mask
- Mason
- Mason's Rescue
- Master Gunslingers Revenge
- Mastered by Mavericks [Doms of Destiny, Colorado 3]
- Mastered By the Hired Man
- Mastering Elodie [Grizzly Pines]
- Mastering the Marshal
- Matamoros
- Matanza
- Matanza de cuatreros
- Matança
- Match Made in Wyoming (Wyoming Wildflowers, Book 3)
- Match-Making in Montana
- Matched Sets Of Twins Seeking Love: A Mail Order Bride Romance
- Matheau
- Matilda's Last Waltz
- Matrimonio sotto al vischio
- MATT CALDWELL: TEXAS TYCOON