Book excerpt: Hank's itchy fingers activate an Interworld Machine which brings Kay, Hank, Mike and Matt into strange new worlds.Twelve-year-old Kay, is the leader of the troop. He is also the eldest son of the warrior chief, Jake. Dragons, Ven'eelgs and other monsters which are enemies of the warriors pursue the boys as they search for a way back home.In their adventures, they meet robots, talking hamsters and many interesting characters.This is an excellent book for preteens who are advanced readers.