What happens when Marion loses her class pet hamster and a mysterious letter turns up in her locker in this sixteenth book of The Critter Club series? FinallyIts Marions turn to take care of Teddy, the class pet hamsterAs a member of The Critter Club, Marion is used to being around animals, but shes excited to bring one home. The problem is, after one night in her house, Teddy goes missingThe next day, Marion finds a mysterious letter in her locker with clues that lead her on a scavenger hunt. Does someone know where Teddy is? And who is that someone? With easy-to-read language and illustrations on almost every page, The Critter Club chapter books are perfect for beginning readers