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192 pages • first pub 1936 (editions)
ISBN/UID: 9780448089157
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: 01 September 1936
Description
In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy help their father investigate a series of mysterious car accidents. Each of the drivers had seen a signpost marked DANGER shortly before his accident. The youn...
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Content Warnings
192 pages • first pub 1936 (editions)
ISBN/UID: 9780448089157
Format: Hardcover
Language: English
Publisher: Grosset & Dunlap
Publication date: 01 September 1936
Description
In one of the most dangerous and intriguing cases of their careers, Frank and Joe Hardy help their father investigate a series of mysterious car accidents. Each of the drivers had seen a signpost marked DANGER shortly before his accident. The youn...
Community Reviews
Content Warnings