The Clue of the Left-Handed Envelope/The Puzzle of the Pretty Pink Handkerchief: Third-Grade Detectives #1-2
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Mr. Merlin’s Third Graders are known as the Third Grade Detectives — with some hints from secret code clues and help from Mr. Merlin’s friend, the police scientist Dr. Smiley, they help solve cases. This two-in-one flip book contains the full