- Love and Other Scandals by Caroline Linden
- Love Him Desperate by E.M. Lindsey
- Love Him Free by E.M. Lindsey
- Love in the Time of Scandal by Caroline Linden
- Love is a Stranger by John Wiltshire
- Love Lettering by Kate Clayborn
- Love, Hate & Clickbait by Liz Bowery
- Lucky Break by A.M. Arthur
- Madison Square Murders by C.S. Poe
- Mainly by Moonlight by Josh Lanyon
- Malum Discordiae by Ashlyn Drewek
- Manners & Mannerisms by Tanya Chris
- Mary Anne by Daphne du Maurier
- Mary Fran and Matthew by Grace Burrowes
- Matthew by Grace Burrowes
- May the Best Man Win by Mira Lyn Kelly
- Merry Measure by Lily Morton
- Metahuman Files: Classified (3 novellas) by Hailey Turner
- Midnight Marriage by Lucinda Brant
- Midsummer Moon by Laura Kinsale
- Milo by Lily Morton
- Mine Till Midnight by Lisa Kleypas
- Mist of Midnight by Sandra Byrd
- More Than a Stranger by Erin Knightley
- Mr. Uptight by Felice Stevens