Kingdoms of the Cursed

Three young friends must navigate dangerous magical worlds―and their own inner selves―in this sweeping fantasy from Greg Keyes, the sequel to The Reign of the Departed.
Errol Greyson is awake and back in his own body, thanks to his friends Aster the witch and Veronica the half-dead girl. Unfortunately, due to the attempted suicide that led to his months-long coma and temporary reincarnation in Aster's wooden automaton in the first place, he's also in a mental hospital.
But when the last person Errol expects breaks him out and forces him back to the magical Kingdoms, he has no other option but to attempt to undo a deadly curse threatening reality itself, in hopes of returning the realm to equilibrium. It's dangerous business, especially in Errol's merely-human form, weakened from months in bed.
Fearing for their friend's life, Aster and Veronica follow, but are quickly separated. Aster is captured by an ancient evil―the source of the curse―while Veronica confronts...