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  • Any puzzle lover, mystery lover, or Frank Lloyd Wright enthusiast will love this book. Great story, great characters, will keep you puzzling til the end. Lots of fun, very quick read.

    

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• ― Jaemi K said on Oct 31, 2006 about the Hardcover edition| Add your feedback

Spring semester at the Lab School in Hyde Park finds Petra and Calder drawn into another mystery when unexplainable accidents and ghostly happenings throw a spotlight on Frank Lloyd Wright's Robie House, and it's up to the two junior sleuths to piece together the clues. Stir in the return of Calder's friend Tommy (which creates a tense triangle), H.G. Wells's The Invisible Man, 3-D pentominoes, and the hunt for a coded message left behind by Wright, and the kids become tangled in a dangerous web in which life and art intermingle with death, deception, and surprise.

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