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A mysterious masked criminal is terrorizing New York, threatening chaos unless someone solves his riddles. Fortunately, Sherlock Bones and Dr. Catson just happen to be in town!
After foiling the villain’s first plan, the duo embarks on a thrilling chase that takes them from Manhattan to Niagara Falls — and even to Mount Ruffmore, home to the stone faces of animal presidents.
Can they uncover the masked mastermind’s identity and stop him before it’s too late?
This fifth book in the Sherlock Bones series combines a detective story with interactive puzzles, mazes, hidden object games, and logic tasks — all designed for kids to solve independently. With every page, the mystery becomes more exciting!