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by Caroline B. Cooney
In this clever mystery, twins must work together to solve the case of a missing computer program before it falls into the wrong hands. Caroline B. Cooney crafts an engaging detective story that combines sibling teamwork with the intrigue of 1980s technology, perfect for young readers who love puzzles and problem-solving.
Coward, McCann & Geoghegan
58
9780698205062
1981-01-01
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