The cartoon-style illustrations are amusing and plentiful and will attract reluctant and enthusiastic readers alike. --School Library Journal Readers new to chapter books and who like to laugh often will most likely find Willy's story peppered with just enough silly humor to keep the pages turning. --Kirkus Effortlessly diverse in open, friendly ways...the two stories of bold adventurers headed back toward home are exhilarating. Readers seeking a speedy space thrilled and fans of Trine's other series will be well pleased with this outing. --Bulletin--No Source