With two mysteries to solve, Frank and Joe must climb aboard their iceboat the Sea Gull to reach Cabin Island, where a belligerent stranger orders them off. Sabotage to the boat, danger to themselves, and a ghostly prowler do not daunt the Hardy boys in their search for Johnny Jefferson and for clues to stolen antique medals. How the teenage investigators outwit a ruthless foe and succeed in solving both mysteries makes for mounting suspense in this brisk-paced adventure.
| ISBN-13: | 9780448089089 |
| ISBN-10: | 0448089084 |
| Publisher: | National Geographic Books |
| Publication date: | 1929-09-01 |
| Pages: | 192 |
| Product dimensions: | Height: 0.51968503884 Inches, Length: 7.7559055039 Inches, Weight: 0.440924524 Pounds, Width: 5.0787401523 Inches |
| Author: | Franklin W. Dixon |
| Language: | en |
| Binding: | Hardcover |
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