- Ankerita
- Annabel's Ghost
- Anne Boleyn's Ghost
- Annie Graceland Cozy Mystery Box Set #1: Books 1 - 4
- Annie Graceland Cozy Mystery Box Set #2: Books 5 - 7
- Another Christmas Carol
- Antique Dust
- Any Witch Way But Goode
- Anything but Zombies
- Anywhere You Go
- Apartment 1B
- Apartment 2A
- Apartment 2B
- Apocalypse Pack (Three Apocalyptic Thrillers)
- Apparition
- Apparitions of Elizabeth Robinson
- Apparitions: Ghosts of Old Edo
- Apparitions; or, The Mystery of Ghosts, Hobgoblins and Haunted Houses Developed
- Appartement 103
- Apple and Knife
- April in the Back of Beyond
- Apuntes macabros
- Araldi del mistero
- Arautos do Mistério
- Arautos do Mistério
- Arch Angelo Ghost Hunter I: 'Serviam'
- Arch Angelo Ghost Hunter III: 'Hoc Est Bellum'
- Argentina zombie
- Arkham Horror: Das letzte Ritual
- Arkham Horror: Litanei der Träume
- Armageddon And Further Unpleasantries
- Arthur Conan Doyle: The Complete Supernatural Stories (20+ tales of horror and mystery: Lot No. 249,...
- Artigli neri
- As an Old Memory
- As Crianças Das Covas
- As I Saw - The Beginning of Rendezvous
- As Red as Any Blood
- Ash and Bone
- Ash Wednesday
- Ashes of the Living
- Assassin
- Asylum Trilogy (Shadows Wait, Shadows Rise, Shadows Fall) Box Set
- Assassin
- Asylum Trilogy (Shadows Wait, Shadows Rise, Shadows Fall) Box Set
- At a Winter's Fire
- At Death's Door
- At Second Sight: Not Forgotten Book 2
- At the Mountains of Madness
- At Your Darkest : The Graveyard Shift
- Ataque dos Shedim ou demônios no plano físico
- Atormentado: Un thriller sobrenatural
- Att de i tid må väckas
- Au bras de fer
- Au manoir des brumes
- Au pays des brumes
- August Nacht
- Aunt Dimity Beats the Devil
- Aunt Dimity: Snowbound
- Ausgewählte Werke von Heinrich Zschokke
- Autumn: The City
- Awake on Garland Street
- Az átok