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After seeing what looks like a ghost in a funhouse mirror, you run to investigate. Your search reveals a secret far more sinister, and now you are in a race against time save your favorite place and solve the mystery of The Haunted Amusement Park. This intriguing story is a totally engaging new way to build arithmetic skills. The clever mystery is filled with math problems; solve the equations to work your way along the pathway that runs through the book, bringing you one step closer to solving the riddle at the end! Click to learn more about the Mathfinder series! Download Lesson Plan