- Artemis Strain
- Artemis: A Gamma Nine Short Story
- Artesãos E Tecnomantes
- Arthur C. Clarke's Venus Prime 1
- Articulated Restraint
- Artifact
- Artificial Condition
- Artificial Evolution
- Artificial Insurgence
- Artificial Insurrection
- Artificial Reality
- Arvtagaren eller själavalvet
- Aréna Dvě (2. Kniha Z Trilogie Přežití)
- As A Consequence
- As Aventuras de Luminus Odra
- As Darkness Ends
- As Darkness Spreads
- As Dawn Rises
- As Good as New
- As guerrilheiras
- As Irmãs Slaughter
- As Needed
- As Noivas Brancas
- As Shadows Fall
- As the Last I May Know
- As the World Falls Down
- As Time Goes By
- As Time Narrows
- As Timeless As Stone
- Asalto A Los Dioses
- Ascendance
- Ascendance, Science Fiction Stories about Reaching for the Stars
- Ascendancy
- Ascendant
- Ascendant Revolution
- Ascendant Unrest
- Ascendant: Online
- Ascendant: The Martiniere Legacy Book Two
- Ascending Descent
- Ascension
- Ascension (Les Chroniques de l'Invasion, Tome n 3): Un Thriller de Science-fiction
- ASCENSION - KELAHYA UNBOUND
- Ascension Saga: 1
- Ascension Saga: 2
- Ascension Saga: 3
- Ascension Saga: 4
- Ascension Saga: 5
- Ascension Saga: 6
- Ascension Saga: 7
- Ascension Saga: 8
- Ascension Saga: 9
- Ascension-Saga: 2
- Ascension-Saga: 3
- Ascension-Saga: 4
- Ascension-Saga: 5
- Ascension-Saga: 6
- Ascension-Saga: 7
- Ascension-Saga: 8
- Ascension-Saga: 9
- Ascension: A Tangled Axon Novel
- Ascension: Volume One of the War & Mir Trilogy
- Ascensione
- Ascensión
- Ascenso (Las crónicas de la invasión—Libro tres)
- Ascensão (As Crónicas da Invasão – Livro Três)
- Ascent (The Invasion Chronicles—Book Three): A Science Fiction Thriller
- Ascent of Mars
- Ascent: The Relissarium Wars Space Opera Series, Book 5
- Ascenção
- AsCoS
- Ases
- Asgard's Secret: The Asgard Trilogy, Book One
- Ash Kickers
- Ash Princess
- Ash to Ashes
- Ash, la historia secreta
- Ash: Rise of the Republic
- Ashalon
- Ashen Stars
- Asher
- Asher's Dilemma
- Asher's Invention
- Ashes
- Ashes & Alchemy
- Ashes A World's Fair Saga
- Ashes Into Stardust
- Ashes of Freedom
- Ashes of the Blue Phoenix
- Ashes of the Fall
- Ashes of Victory
- Ashes to Ashes
- Ashes to Atom: the Dust Remains
- Ashes to Empire
- Ashes: Infinite Redress
- Ashia: The Rebels and The Conquerors
- Ashland 131
- Dunkelerde: Fantasy Roman
- Ashley's Evolution , The Chronicles of Ashley Stone Vol.1
- Ashley's Evolution , The Chronicles of Ashley Stone Vol.2
- Ashley's Evolution , The Chronicles of Ashley Stone Vol.3
- Ashra
- Asian Ways (Future Earth Chronicles Book 8)
- Asimov's Laws
- Asmine d'Alba
- Aspect Ratio
- Aspects: 4-6
- Aspira
- Aspira (Science-Fiction-Roman)
- Asrian Skies
- Assaltatori. Storie di coraggio nell'Ammasso Stellare Zero
- Assassin (Star Minds Lone Wolves)
- Assassin and Blind Spot
- Assassin Jane: Prologue
- Assassin's Awakening
- Assassin's Creed: Last Descendants. Ostatni potomkowie
- Assassin's Creed: Odyssey. Oficjalna powieść gry
- Assassin's Creed: Oficjalna powieść filmu
- Assassin's Hunger
- Assassin's Orbit
- Assassin's Way
- Assassin: A Novel of the Confederation
- Assassins
- Assault at Selonia: Star Wars (The Corellian Trilogy)
- Assault on Cheyenne Mountain
- Assault on Khorram (Star Legions: The Ten Thousand Book 2)
- Assault on the Gods