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9780613780124
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Help! A mad scientist has unleashed a throng of deadly robots on the world--and only by joining the characters and solving every one of these science-based puzzles can kids stop the destruction and save humanity. Learning about anatomy, astronomy, nature,Hovanec, Helene is the author of 'Incredible Science Puzzle Challenge', published 2003 under ISBN 9780613780124 and ISBN 0613780124.
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