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175 pages • first pub 1929 (editions)
ISBN/UID: 9780448089072
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: 01 May 1929
Description
Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a new clue is unearthed that sends the young detecti...
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175 pages • first pub 1929 (editions)
ISBN/UID: 9780448089072
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: 01 May 1929
Description
Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a new clue is unearthed that sends the young detecti...