Series: Platypus Police Squad 

Book

Platypus Police Squad: The Frog Who Croaked (2013)

Rick Zengo was excited. It was his first day for his new job. Zengo was going to be joining Kalamazoo City’s police force, the Platypus Police Squad (PPS for short). He spilled some hot chocolate on his partner in the first hour. On the second hour, they get a case about an illegal fish exchange ...