Title: The case of the green guinea pig
Description: The big school trip was at the end of the week, and Jack couldn't wait. But someone kept playing pranks at school including dyeing the class guinea pig green, and Principal Bumble threatened to cancel the trip if the pranks didn't stop. Can Jack and Elizabeth solve the mystery in time to save the trip?
Subjects: Juvenile fiction, Animals, Human-animal communication, Problem solving, Fiction, Children's fiction, Guinea pigs, fiction, Schools, fiction, Animals, fiction