- Amazing Things: Book Two of the Dark Skies Series
- Amazon Roulette
- Ambassador 11: The Forgotten War
- Ambassador 12: The Unfolding Army
- Ambassador 5: Blue Diamond Sky
- Ambassador 6: The Enemy Within
- Ambassador 9: Red Crystal Desert
- Ambassador Books 1, 1A and 2 Omnibus
- Ambassador of Progress
- Amber Opposition
- Ambient
- Ambient Conditions
- Ambient Reports : 2087
- Ambush at Corellia: Star Wars (The Corellian Trilogy)
- Ambush in the Sargon Straits
- Ameizan
- Ameizan (Nederlandstalig)
- Amelia
- Amentus Magna
- Amentus Magna: Clade
- America One (Book 1)
- America One - Return To Earth (Book 4)
- America One - The Launch (Book 2)
- America One - The Odyssey Begins (Book 3)
- America One - War of the Worlds (Book 7)
- America Unbalanced
- American Arsenal
- American Exodus
- American Front (The Great War, Book One)
- American Goddesses
- American Hero
- American Monsters: Horror Stories
- American Rebirth Trilogy: Post-Apocalyptic Novels
- American Rebirth: A Post-Apocalyptic Novel
- American Science Fiction: Four Classic Novels 1960-1966 (LOA #321)
- American Science Fiction: Four Classic Novels 1968-1969 (LOA #322)
- Amerika der Männer
- Amid the Words of War
- Amidst Dark Satanic Mills
- Amir of Guelph
- Amira: Warrior Queen Of Crucida
- Ammara – az ébredés
- Ammara: az első 9 fejezet
- Ammon's Horn
- Ammonite
- Amoeba
- AmokKoma
- Among Bright Stars...
- Among The Stars
- Among the Wild Cybers
- Amor cuántico
- Amor Vincit Omnia
- Amor Vincit Omnia (Original English Version)
- AMP Messenger
- Amp Phase 1
- Amtor
- Amulet
- Amus-Vesem. El viaje de las almas
- Amy
- Amy and The Historian.
- Amy's Pendant
- Amy, Inflated *a Balloon Body Inflation Fantasy*
- An A to Z of the Fantastic City
- An Abduction Revelation
- An Absolute Mind
- An Absolutely Remarkable Thing
- An Adventure at the Hangman’s Noose
- An Adventure Through Time and Space (Part 1)
- An Age Without A Name
- An Akylah
- An Alien called, Robert
- An Alien Exchange
- An Alien Heat
- An Alien Rubicon
- An Almost Human
- An Alphabet of Embers - An Anthology of Unclassifiables
- An Alternate History of the 21st Century
- An Ancient Fire
- An Android's Soul
- An Angry Mother Earth
- An Antatctic Mystery aka The Sphinx of the Ice Fields
- An Anthology in Memory of Herbert George Wells and Sir Arthur Conan Doyle
- An Atlantean Triumvirate
- An Atlas to Time, Space, and Bonfires
- An Atomic Romance
- An Awesome Journey
- An Atomic Romance
- An Awesome Journey
- An Earthly Crown
- An Election
- An Elegant Gesture
- An Emperor for the Legion
- An Empire in Disarray
- An Enquiry Concerning Human Understanding
- An Epos of Posi and Nega
- An Even Break
- An Even Break 1.5: Violent Interlude
- An Even Break, Vol. 2: Concerning the Nature of Command
- An Evening at the Palace: The Astonishing Adventures of Heracles Flint
- An Examination of Collegial Dynamics as Expressed Through Marksmanship, or, Ladies' Day Out
- An Expert's Quick Guide to Planetary Travel
- An Extra Man
- An Improbable Journey
- An Indecent Proposal
- An Inheritance of the Unusual Kind
- An Interpretation Of Moles
- An Interview with the Robot Revolution
- An Island in the Stars
- An Oath of Dogs
- An Offering to the Moon
- An Officer of the Fleet
- An Old Man's Tale
- An Old-Fashioned Christmas Tree
- An Open Connection of the Heart
- An Ornament to His Profession
- An SF/Fantasy Reader: Short Stories From New Voices
- An Uncivil War
- An Uncontrollable Passion
- An Unexpected Journey
- An Unfortunate Dimension
- An UNIDENTIFIED Flying Object
- An Unkindness of Ravens
- An Unrepentant Bastard
- An Unwanted Inheritance
- Ana
- Anaconda Among Us
- Anarchate Vigilante
- Anarchist Knight: Apprentice