Jeffrey Bones doesn't like math tests--especially when he forgets to study for them. Now his test is missing. Can he solve the mystery of the missing test and get an Excellent grade?
While looking for his lost magnifying glass in the park, young Detective Jeffrey Bones and his grandfather discover that Curly the detective dog is missing, too, and start tracking down clues.
Junior sleuth Jeffrey Bones and his grandfather enjoy a day at the amusement park until their tickets to ride the giant roller coaster mysteriously disappear.