Aden Polydoros Books in Order

Foster teenager Tyler Bennett wakes with bloody hands and missing memories, then discovers a girl with a matching secret phone. Together they investigate a program turning vulnerable teens into assassins before its handlers reclaim control.

Raised inside an isolated Academy, subjects Two and Nine know only the lives their overseers have designed. When Nine is scheduled to leave, Two risks his future as a military leader to plan their escape together.

Former assassins Hades, Tyler, and Shannon join forces against the Academy that trained them. Pursuing its scientists brings conflicting motives and buried memories into focus, forcing them toward the organization they hoped to escape.

In Chicago during the 1893 World’s Fair, Alter Rosen is possessed by his murdered friend’s spirit. To save himself, he must track a killer targeting Jewish boys with help from someone whose return stirs complicated feelings.

Raised by benevolent undead, Toma is drawn into an empire’s violent struggle over magic and power. Joining a persecuted commoner and a dethroned tsar, she must discover her own abilities while trying to save her sister.

A flea-market ring gives Zach Darlington strange powers and draws monsters into his quiet town. With friends and a demon king disguised as a boy, he must stop a secret society from bringing about the apocalypse.

In Nazi-occupied Lithuania, a grieving father creates a golem in the image of his murdered daughter. Given memories that are not her own and a mission of vengeance, Vera struggles to claim a life beyond the purpose imposed on her.

When Naomi disappears from a Passover celebration with a flaming sword, Zach sets out to rescue his sister. Joined by Sandra and the demon king Ash, he journeys toward Eden through dangers involving angels, monsters, and the approaching apocalypse.

Frankie and Alter investigate missing children through their detective agency after the Chicago World’s Fair. A demonic presence draws them into a dangerous new case, forcing Frankie to confront his past as they pursue the truth behind the disappearances.

Closeted teenager Kris finds an ideal boyfriend in a bootleg virtual romance simulator, until the relationship becomes terrifying. Destroying the device fails to stop Rowan’s appearances, and deaths around Kris force him to investigate what he has unleashed.