- Masked Desires
- Masked Intentions
- Masked Pain
- Masked Promises
- Maskenball
- Maskeskærerens søn
- Masquerade
- Masquerade at Middlecrest Abbey
- Masquerade for the King
- Masqueraders
- Masquerading as a Miss
- Masques of Gold
- Massive Knights Erotic Bundle
- Master at Arms
- Master of Blackmoor
- Master of Darkness
- Master of Hearts
- Master of His Fate
- Master Of Horses
- Master of Illusion Book One
- Master of Illusion Book Two
- Master of Love
- Master of None
- Master Of Paradise
- Master of Paradise
- Master of Sin
- Master of Temptation
- Master vs. Mistress, Episode 2
- Master vs. Mistress, Episode 3
- Master vs. Mistress, Episode 4
- Master vs. Mistress, Episode 5
- Master vs. Mistress, Episode 6
- Master vs. Mistress, Episode 7
- Master vs. Mistress, Episode 8
- Master vs. Mistress, Episode 9
- Master Wolf
- Master's Will (Reluctant Concubine Erotica)
- Master, Lady Wants To Conquer You
- Master, You're Out Of Favour
- Mastered by Her Slave
- Mastered by the Marquis
- Mastered Under the Mistletoe
- Mastering a Sinner
- Mastering His Marquise
- Mastering the Marquess
- Mastering the Marshal
- Masterpiece
- Masters of Prose - Jane Austen
- Mataram
- Match Made in the Highlands
- Match of Wits
- Matched in Minnesota
- Matched with the Prince
- Matching Mr. Darcy
- Matchmakers & Rogues
- Matchmakers Complete Collection
- Mated To The Alpha
- Mated to the Barbarians
- Mated to the Caveman
- Mated to the King of Dwarves
- Mated Under the Moonlight (Historical Werewolf Erotic Romance)
- Mateo Falcone
- Mater dolorosa
- Materfamilias
- Mathilde
- Mathilde Möhring
- Mathilde Möhring: Berliner Frauenroman
- Matilda
- Matilda - Wo das Glück zu Hause ist
- Matilda Helps Mikhail In New Alaska
- Matilda's Escape... (Brunswick Family 3)
- Matilda's Run
- Mating
- Matrimonio arreglado Parte II
- Matrimonio atormentado
- Matrimonio concertado
- Matrimonio de apariencia (Los Knightley 2)
- Matrimonio di Mezzanotte
- Matrimonio en guerra (Los Knightley 1)
- Matrimonio Fingido
- Matrimonio fingido / Aguas turbulentas
- Matrimonio pactado - Finalista IX Premio Internacional HQÑ
- Matrimonio por honor (Los Knightley 4)
- Matrimonio por la fuerza (Los Knightley 3)
- Matrimonio por Navidad (Los Knightley 5)
- Matrimonio sotto al vischio
- Matthew
- Matthew Wolfe: Revelations
- Matthew Wolfe: The Adventures Begin
- Matthew's Mail Order Bride
- Matthew's Mask [Lords of Hawksfell Manor 3]
- Mattie's Pledge (Journey to Pleasant Prairie Book #2)
- Mattie's Story
- Mauprat
- Maureen - Zeit der Sehnsucht
- Mauruschberg
- Maverick Heart
- Max & Anna
- May (Complete)
- MAY McGOLDRICK’S MEDIEVAL BOX SET: Books 1-6
- May the Best Gentleman Win - A Sexy Victorian-Era Gay M/M Mystery Novella from Steam Books
- May the Road Rise Up to Meet You
- Maya's Aura: The Redemptioner
- Maybe This Life
- Maybe Tomorrow
- Mayerling
- Mayhem and the Marquess
- Mayhem in Mayfair Quartet: Box Set
- Mazurka in St. Petersburg
- McBain's Bride
- McCavett's Bride
- McClairen's Isle: The Passionate One
- McClairen's Isle: The Ravishing One
- McClairen's Isle: The Reckless One
- Mckenna Of Dreams And Substance
- McKenna's Honor
- McKenna's Woman