| A secret of birds & bone | Kiran Millwood Hargrave | Roman | Young Adult | Fantasy |
| A Secret Sisterhood: The Literary Friendships of Jane Austen, Charlotte Brontë, George Eliot, and Virginia Woolf | Emily Midorikawa | Roman | Adulte | Histoire vraie • Historique |
| A Secret Vice: Tolkien on Invented Languages | J. R. R. Tolkien | Essai | Adulte | Mythes/Mythologie |
| A Secretly Love | Avery Pie | Roman | Young Adult | Romance |
| A selection of his greatest cases | Arthur Conan Doyle | Roman | Adulte | Policier |
| A Semi-Charming Kind of Life | Suzanne Selfors | Roman | Enfance | Fantasy |
| A Sense of Danger | Jennifer Estep | Roman | Adulte | Thriller |
| A Sense of the Mysterious: Science and the Human Spirit | Alan Lightman | Essai | Adulte | Sciences |
| A Sentimental Guide to Venice | Diego Valeri | Documentaire | Adulte | Guide touristique/culturel |
| A Separate Country | Robert Hicks | Roman | Adulte | Historique • Romance |
| À sept et à quarante ans | João Luiz Anzanello Carrascoza | Roman | Adulte | Contemporaine |
| À septembre, Petronella, Qu'ils appellent ça du jazz | Jean Rhys | Nouvelle(s)/Novella(s) | Adulte | Contemporaine |
| A series of rooms | A.J. Barlowe | Roman | Young Adult | Romance |
| À servir chambré | Nicholson Baker | Roman | Adulte | Contemporaine |
| À ses ordres | Anne Cantore | Roman | Adulte | Erotisme • Romance |
| A Seven-Letter Word | Kim Slater | Roman | Adolescence | Contemporaine |
| A Sex Therapist | Kazuma Kodaka | Manga | Adulte | Yaoï |
| A Sexy Manhattan Fairytale, book 1: Naughty King | Michelle A. Valentine | Roman | Adulte | Romance • Erotisme |
| A Sexy Manhattan Fairytale, book 2: Feisty Princess | Michelle A. Valentine | Roman | Adulte | Romance • Erotisme |
| A Sexy Manhattan Fairytale, book 3: Dirty Royals | Michelle A. Valentine | Roman | Adulte | Romance • Contemporaine |
| A Sexy, Modern Fairytale, book 1: Black | Aria Cole | Roman | Adulte | Romance • Contemporaine |
| A Sexy, Modern Fairytale, book 2: White | Aria Cole | Roman | Adulte | Romance • Contemporaine |
| A Sexy, Modern Fairytale, book 3: Scarlet | Aria Cole | Roman | Adulte | Romance • Contemporaine |
| A Shadow Maven Paranormal, book 1 : First Impression | Pauline Creeden | Roman | Young Adult | Romance • Fantasy |
| A Shady Hollow Mystery, book 1: Shady Hollow | Juneau Black | Roman | Adulte | Policier |
| A Shady Hollow Mystery, book 2: Cold Clay | Juneau Black | Roman | Adulte | Policier |
| A Shady Hollow Mystery, book 3: Mirror Lake | Juneau Black | Roman | Adulte | Policier |
| A Shady Hollow Mystery, book 4: Twilight Falls | Juneau Black | Roman | Adulte | Policier |
| A Shady Hollow Mystery, book 5: Summers End | Juneau Black | Roman | Adulte | Policier |
| A Shakespeare Motley | William Shakespeare | Documentaire | Adulte | |
| A Sharp Scratch | Heather Darwent | Roman | Adulte | Science-Fiction |
| A shepherd's watch | David Kennard | Roman | Adulte | Histoire vraie • Terroir |
| A Shining | Jon Fosse | Roman | Adulte | Contemporaine |
| A Ship of Bones and Teeth | Karina Halle | Roman | Adulte | Romance • Fantasy |
| A Shitty Wedding : With My boss | Callie Darkwood | Roman | Adulte | Romance |
| A short Autobiography | Francis Scott Fitzgerald | Roman | Adulte | Histoire vraie |
| A Short History of England | Gilbert Keith Chesterton | Roman | Adulte | Historique |
| A Short History of England: The Glorious Story of a Rowdy Nation | Simon Jenkins | Roman | Adulte | Historique |
| A Short History of English Literature | Gilbert Phelps | Essai | Adulte | |
| A Short History of Myth | Karen Armstrong | Essai | Adulte | Mythes/Mythologie |
| A Short History of Queer Women | Kristy Loehr | Essai | Adulte | Sciences humaines et sociales |
| A Short History of Queer Women | Kirsty Loehr | Roman | Adulte | Historique |
| A Short History of Slavery | James Walvin | Essai | Adulte | Historique |
| A Short History of Women | Kate Walbert | Roman | Adulte | Historique |
| A Short Stay in Hell | Steven L. Peck | Nouvelle(s)/Novella(s) | Adulte | Horreur • Fantastique |
| A Short Story : La Véritable Histoire du Dahlia Noir | Run | Bande-dessinée | Adulte | Histoire vraie |
| A Short Walk Through a Wide World | Douglas Westerbeke | Roman | Adulte | Fantasy • Historique |
| A Show for Two | Tashie Bhuiyan | Roman | Young Adult | Romance • Contemporaine |
| A Show of Faith: A Short Story | Greer Hendricks | Roman | Adulte | Thriller |
| A Sick Collier | D. H. Lawrence | Nouvelle(s)/Novella(s) | Adulte | Classique |
| A Sickness in the Family | Denise Mina | Comics | Adulte | Horreur |
| A sign of affection : Carnet collector | Suu Morishita | Artbook/Beau livre | Adolescence | Shôjo • Romance |
| A sign of affection, tome 01 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 02 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 03 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 04 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 05 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 06 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 07 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 08 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 09 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 10 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 11 | Suu Morishita | Manga | Adolescence | Shôjo • Romance |
| A sign of affection, tome 12 | Suu Morishita | Manga | Young Adult | Shôjo • Romance |
| A silent voice | Yoko Kurahashi | Roman | Adulte | Drame |
| A silent voice, tome 1 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 2 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 3 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 4 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 5 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 6 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A silent voice, tome 7 | Yoshitoki Oima | Manga | Adolescence | Shonen • Drame |
| A simple mask | lhyuni | Roman | Adulte | Romance |
| A Single Thread of Moonlight | Laura Wood (UK) | Roman | Adulte | Romance |
| A Sister Witches, book 1: Once Blessed, Thrice Cursed | Coralie Moss | Roman | Adulte | Fantasy |
| A Sister's Obsession | Catherine Cookson | Roman | Adulte | Fantastique • Historique |
| A Sisterhood of Secret Ambitions | Sheena Boekweg | Roman | Adulte | Contemporaine |
| A Skeleton in Bone Creek | Baer Charlton | Roman | Young Adult | Policier |
| A Slave Between Empires: A Transimperial History of North Africa | M'hamed Oualdi | Essai | Adulte | |
| A sleeping man and a loving man | Ranmaru Zariya | Manga | Adulte | Yaoï |
| A Sliver of Stardust, book 1 | Marissa Burt | Roman | Enfance | Fantastique • Aventure |
| A Sliver of Stardust, book 2: A Legend of Starfire | Marissa Burt | Roman | Enfance | Fantastique |
| A Small Indiscretion | Jan Ellison | Roman | Adulte | Thriller |
| A small place | Jamaica Kincaid | Essai | Adulte | |
| A Snake Falls to Earth | Darcie Little Badger | Roman | Young Adult | Fantasy |
| A Snow Garden and Other Stories | Rachel Joyce | Nouvelle(s)/Novella(s) | Adulte | |
| A Snow Globe Christmas, book 4: A Villain for Christmas | Alice Winters | Roman | Adulte | Romance |
| À soeur perdue | Marion Jollès-Grosjean | Roman | Adulte | Contemporaine |
| À soi-même | Odilon Redon | Roman | Adulte | Histoire vraie |
| A solas | Idalia Candelas | Bande-dessinée | Adulte | Contemporaine |
| A Solenn | Véronique Poivre d'Arvor | Roman | Adulte | Histoire vraie |
| À son image | Jérôme Ferrari | Roman | Adulte | Contemporaine |
| À son image pour dominer, tome 1 : Aimer comme Christ | Mohammed Sanogo | Roman | Adulte | Religion |
| À son ombre | Claude Askolovitch | Essai | Adulte | |
| A Song Below Water | Bethany C. Morrow | Roman | Adulte | Fantasy |
| A Song for a New Day | Sarah Pinsker | Roman | Adulte | Science-Fiction |
| A Song for You & I | K. O'Neill | Bande-dessinée | Adolescence | Fantasy • Aventure |
| A Song of Legends Lost | M.H. Ayinde | Roman | Adulte | Fantasy |
| A Song of War: A Novel of Troy | Collectif | Roman | Adulte | Mythes/Mythologie |
| A Sorceress Comes to Call | T. Kingfisher | Roman | Adulte | Fantasy • Horreur |
