The Third-Grade Detectives Mind-Boggling Collection: The Clue of the Left-Handed Envelope; The Puzzle of the Pretty Pink Handkerchief; The Mystery of … the Stolen Sand; The Secret of the Green Skin

A group of third graders solve fun mysteries in this collectible boxed set that includes all six books of the Third-Grade Detectives series! This collectible boxed set includes: The Clue of the Left-Handed Envelope The Cobweb Confession The Mystery of the Hairy Tomatoes The Puzzle of the Pretty Pink Handkerchief The Riddle of the Stolen Sand The Secret of the Green Skin