- O anel do escorpião
- O Anel do Escorpião
- O Anel Dos Desejos Da Velha Rainha Maab
- O canto do canário
- O contos dos Contos
- O Convento Esculpido
- O cão
- O Encanto do Ouro
- O Engenho dos Sonhos: Antologia de Contos Fantásticos
- O Garoto Que Adorava Desenhar Gatos
- O Holy Night
- O jardim cosmogônico
- O Maravilhoso mundo de Oz
- O Mercador de Sonhos
- O meu irmão é um marginal Levado de Casa Livro 1
- O Outro Lado
- O Pequeno Herói
- O Perlovem Kameni
- O segredo de Blossom Rise
- O Sentinela
- O Sentinela do Castelo
- O Sétimo Cavalo
- O Turista
- O velho, a mãe e a miúda.
- O Último
- O. Henry: The Complete Collection
- Oath Breaker Part 1
- Oathsworn
- Obiekt 271
- Oblique Vengeance
- Obras
- Obscura
- Observer of the Arcane
- Obsession: Tales of Irresistible Desire
- Obsessions: An Anthology of Original Fiction
- Ocean's Fury
- Ocho relatos
- October Sci-fi & Fantasy
- October Throne
- Octopocalypse
- Odd Man Out
- Odd, Strange and Curious
- Odiabili resti
- Odregan #1
- Odyssées chimériques
- Of Beasts & Butterflies
- Of Cats and Elfins
- Of Dragons, Love, and Poison
- Of Duty and Silver: The Complete Series
- Of Echoes Born
- Of Gods & Myth
- Of Gods and Globes
- Of Gods, Humans and Beasts
- Of Kelpie Lullabies
- Of Little Faith
- Of Myth And Monster
- Of Pagan Gods and other tales
- Of Priests and Mermaids (Volume 1)
- Of Selkies, Disco Balls, and Anna Plane
- Of the Undead: A Six-Story Bundle
- Of Unicorns and Leprechauns
- Of Unknown Origins
- Of Wolves & Winter: A Tale of Rakki Silverthorne
- Off His Leash
- Off Limits
- Off the Beaten Path
- Off The Path
- Office
- Office Duties
- Office Party
- Officina di idee
- Oh, for a Little Silence!
- Oh, the Mountains I Would Climb For You
- Oh, Well, You Know How Women Are
- Oj, Kowalski...: opowiadanie po polsku
- Old Bones: A Collection of Short Stories
- Old Fashioned
- Old Forest
- Old Jack's Tale
- Old Legends and New Fables
- Old Man Scales & the Big New Dream
- Old Nathan
- Old Nathan, Second Edition
- Old Odd Ends
- Old Peculiar Tales
- Old Sins
- Old Tom and the Old Tome
- Old-time Stories, Fairy Tales and Myths Retold by Child of E. Louise Smythe (Illustrated)
- Olhos de céu
- Olikus
- Olly and the Zodies
- Oltre la neve
- Oltre lo specchio
- Oltre ogni Limite: Racconti ai Confini della realtà
- Ombak Volume One
- Ombre e tenebre
- Ombre sulla Dacia
- Ombres
- Omega Queen - Box Set Books #1-3
- Omega: Momenti perduti
- OMMYA - Die Gesamtausgabe der Fantasy-Serie mit den Romanen "1000 Welten", "Sechs Siegel" und "Armag...
- Omnidirectional
- On Becoming Master of Time and Space
- On Cloud Nine
- On Common Ground
- On Hallow's Eve
- On Common Ground
- On Hallow's Eve
- On Heroes: A Foible
- On His Birthday, Reginald Got
- On Nothing & Kindred Subjects
- On Princesses: A Foible
- On Sleeping Beauties: A Foible
- On the Banks of the River of Heaven
- On the Edge
- On the Eyeball Floor
- On the Makaloa Mat, Island Tales
- On the Parapet
- On the Prowl
- On the Rez and Other Stories
- On The Road (To Nirvana)
- On the Topic of Geography
- On the Wings of a Crow
- On the Wings of Dreams
- On the Wings of Hope: Prose
- On to the Otherworld
- Once and Forever
- Once Gramps Had Come
- Once in a Life Time
- Once Upon A Curse
- Once Upon A Dragon
- Once Upon A Nightmare: The Undead Tale of Sleeping Beauty
- Once Upon a Tale
- Once Upon A Time In Umuaka
- Once Upon a Time: New Fairy Tales
- Once Upon a Winter: A Folk and Fairy Tale Anthology
- Onder parelmoeren hemels, Hans d'Ancy 4
- Ondina
- One and Wonder
- One Billion Faces
- One Cog Dreaming
- One Evening on the Pier
- One False Step: And Other Stories of Myrcia
- One For Sorrow
- One Horn and Little Feet
- One Hundred, Ten, and One
- One Last 5
- One Man's Trash
- One Man's Treasure
- One More Forever...
- One Night
- One Night in Zenith
- One Night of Dreams
- One Place
- One Red Shoe
- One Shot, A Talia Sunborn Short Story
- One Small Step, an Anthology of Discoveries
- One Step Beyond: An Anthology of Science Fiction and Fantasy