Adam-Troy Castro

Available only on audio, this exciting collection features original stories by Adam-Troy Castro, some never before published....

On several occasions, a half-dozen of Spider-Man's greatest enemies have banded together as the Sinister Six. Now, at the behest of a deadly benefactor known only as the Gentleman, the Chameleon has been tasked with assembling a new Sinister Six....

Enter an exciting new world of shadows from Hugo Award nominee Adam-Troy Castro. Meet Gustav Gloom. Fernie What finds herself lost in the Gloom mansion after her cat appears to have been chased there by its own shadow....

In Gustav Gloom and the Nightmare Vault, Fernie and Gustav find themselves battling another shadowy foe - The Shadow Eater. He's after The Nightmare Vault, which his master, the evil Lord Obsidian, will use to unleash the most terrifying and threatening shadows into the world....

In Gustav Gloom and the Four Terrors, things are not always what they seem in the Gloom Mansion. Gustav decides that he needs to rescue his father from the Dark Country, but he can't do that without Fernie's help....

Two murders have occurred on One One One, an artificial ecosystem created by the universe's dominant AIs to house several engineered species, including a violent, sentient race of sloth-like creatures....

Andrea Cort became a "war criminal" at the age of eight when an unexplained darkness invaded her soul....

In the final installment of Adam-Troy Castro's Gustav Gloom series, the fate of the Dark Country rests on Gustav and Fernie's shoulders. After weeks of traveling on a quest to find their fathers, Fernie and Gustav finally come face-to-face with their nemesis - the evil Lord Obsidian....

Fernie and Gustav leave the safety of the Gloom Mansion and begin their long journey to the Shadow Country to save their fathers from the evil Lord Obsidian. Aided by the magical Cryptic Carousel, Fernie and Gustav travel to lots of exotic locations as they try to find the Shadow Country....