This is no ordinary detective story! To help Sam and Lisa investigate a series of mysterious thefts, kids must solve puzzles that show them which page of the story to turn to next. They'll search for clues, crack codes, follow mazes, and unravel many other tricky situations. Solutions appear at the end.
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Used availability for Kieran Fanning's Trapdoor to Treachery
January 2010 : USA Paperback
September 2000 : UK Paperback