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4-6
Illustrated by
Barbara Fisinger.
A girl searches for her missing puzzle-loving uncle in this over-the-top adventure. Armed with a map from inside Uncle Paul's old umbrella and accompanied by her little brother, Samantha sets out on a worldwide mission complete with ninjas and a magnetic underground train system. The frenetic action is nevertheless entertaining, and smart, resourceful Samantha is a heroine to cheer for. "Super-secret answers" to the story's puzzles are appended.