Secret Decoder: Case of the Runaway Ruby

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Young sleuths will love helping Gary Gumshoe find Madame Mahvelous's missing ruby! This exciting spy activity book has 18 game pages of mysteries to solve. A few turns of the inclu ded decoder wheel--bound right into the book and visible from every page--will help detectives-in-training complete each challenge as they put their deductive skills to the test! To uncover even more case-cracking clues, master mazes, and complete puzzles, a magic-reveal pen is included, giving every page plenty of play value. It all stores neatly within the tab-close covers--perfect for spies on the go. Show more