Author: D.J. MacHale
This book is about Bobby Pendragon who is sucked in to the life of his Uncle Press who is a traveler. Travelers travel to different territories to protect or help them. It turns out Denduron a territory needs help because it is in the time of war with the Bedoowans who have tortured the Milagos for hundreds of years.Bobby Pendragon is then called by his uncle to help in this crisis situation.This is when the journey starts.
The conflict in this book is that a demonic, shape-changing traveler named Saint Dane is planning chaos in an alternate dimension in the "territory" of Denduron.