The Panda Puzzle by Ron Roy
Dink, Josh, and Ruth Rose investigate the kidnapping of the new baby panda at the petting zoo.
Puzzle Island by Paul Adshead
The reader is asked to find hidden animals in the pictures and identify a mysterious creature believed to be extinct.
Monkey Puzzle by Tessa Krailing
The members of the Petsitters Club go on summer vacation to Marsh Farm and help look for a monkey missing from a nearby animal sanctuary.
The Puzzle of the Paper Daughter by Kathryn Reiss
An American GIrls mysteries. In 1970s San Francisco, Julie and her best friend Ivy learn about Chinese immigration in the early twentieth century when they investigate a mysterious doll theft.