After his parents are kidnapped, timid twelve-year-old Henry York leaves his sheltered Boston life and moves to small-town Kansas, where he and his cousin Henrietta discover and explore hidden doors in his attic room that seem to open onto other worlds.

"Cyrus and Antigone must track down Phoenix and the Dragon's Tooth while facing a threat from the transmortals"--

When their parents' seedy old motel burns down on the same night they are visited by a strange man covered in skeleton tattoos, Cyrus, Antigone, and their brother Daniel are introduced to an ancient secret society, and discover that they have an important role in keeping it alive.

Presents the continuing adventures of Henry York, who has been living in Kansas with his cousins, where he discovers doorways leading to other worlds and becomes involved in a multi-world struggle between good and evil.

"Misfit twelve-year-old Sam Miracle's life is made up of dreams, dreams where he's a courageous, legendary hero instead of a foster kid with two bad arms that can barely move. Sometimes these dreams feel so real, they seem like forgotten memories. And sometimes they make him believe that his arms might come alive again. But Sam is about to discover that the world he knows and the world he imagines are separated by only one thing: time. And that separation...