- Sightings
- Sigla
- Signed Over To Santino
- Signs A Twin Flame Misses You
- Silas Savage
- Silence Symphony in Subway
- Silent Feelings
- Silent Lynx: Heart of Detroit Series
- Silk, Swords And Surrender
- Silken Courage
- Silken Desires
- Silken Edge Series
- Silken Secrets
- Silver Chasings
- Silver Cove Series Books 1-3
- Silver Cove Series Books 4-6
- Silver Falls (Duet)
- Silver Heat II
- Silver Heat, Book Three
- Silver Lining
- Silver Lining: A Paranormal Romance of the Guardians of Man
- Silver Springs Collection Volume 1
- Silver Warriors-Boxed Set
- Silvertip Shifters Books 1-4
- Silvia
- Silvia lo sai
- Silvia-Duett - Folge 14
- Silvia-Duett - Folge 16
- Silvia-Duett - Folge 17
- Simples de coração
- Simply Irresistible: Golden Isles Series #1
- Simply with You - Eine Nacht mit Eric
- Simply with You - Eine Nacht mit Eric
- Sin And Bone
- Sin City Boxed Set Books 1-3
- Sin's Pride
- Since I Fell for You
- Since Yesterday: An Alpha Billionaire Romance
- Since You've Been Gone
- Sinclair Lewis Satire Romance Collection
- Sinful
- Sinful (Hot Regency Romance Novella)
- Sinful Desire : Threesome Romance Collection
- Sinful Gospel
- Sinful Revenge
- Sinfully Rich
- Single & Ready 2
- Single Daddies: A Doctor Romance Collection
- Single Daddy Romance: A Billionaire Romance Collection
- Single Dads Club (The Complete Series)
- Single Dads Collection
- Single in Seattle: A Box Set
- Single Man Meets Single Mum
- Single Mum Seeking…
- Sinister Intentions & Confiscated Conception
- Sinister Weddings
- Sinner
- Sinner Saint Box Set
- Sinners & Saints - Complete Series
- Sinnliche Begegnungen - Band 2
- Sinnliche Begegnungen - Band1
- Sinnliche Klänge: Eine Rockstar Ménage
- Sinnliche Märchen: Die Komplette Kollektion
- Sinnliche Märchen: Reihe in 3 Bänden: Band 1
- Sins Of The Flesh
- Sins of the Past
- Siren's Garter: Issue Two October 2016
- Sirocco
- Sis, Level Up
- Sis, Level Up: 6 Book BWWM Romance Bundle
- Sissy Slumber Party (Sissy Slumber Party, #1)
- Sisterhood of Jade: Part One
- Sisterhood of Jade: Part Three: A Box Set
- Sisterhood of Jade: Part Two: A Box Set
- Sisters in Bloom
- Sisters in White
- Six and Fifty-Four
- Six Hot Single Dads
- Six More Hot Single Dads!
- Six More Minutes
- Six Of The Best Of Desire 2016
- Six Pack Ranch: Books 4-6
- Six Weeks To Catch A Cowboy
- Sizzling
- Sizzling Christmas Collection (Mills & Boon e-Book Collections)
- Sizzling Desires : Menage MFM Romance Collection
- Skandalöse Liaison
- Skate With Me
- Skating at Somerset House (A Christmas Short Story)
- Sketches in Lavender, Blue and Green
- Skibbereens: The Romance Volume
- Skylar's Story
- Slade Security Team Reihe
- Slake His Thirst