Third-Grade Detectives Mystery Masters Collection (Boxed Set): The Clue of the Left-Handed Envelope; The Puzzle of the Pretty Pink Handkerchief; The Mystery of the Hairy Tomatoes; The Cobweb Confession; The Riddle of the Stolen Sand; The Secret of the Gre

Crack the codes and solve the mysteries alongside beloved young sleuths Todd and Noelle in the complete Third-Grade Detectives series-now available in a collectible boxed set!

When the third-grade class gets a new teacher, he quickly becomes everyone's favorite for one important reason: Mr. Merlin used to be a spy, and he knows all about secret codes and how the police solve cases. With the skills that they learn in his class, these third graders are equipped to handle whatever comes their w...