Join Frank and Joe Hardy on a riveting adventure as they uncover the mystery of the disappearing floor. This classic tale, set against a backdrop of suspense and intrigue, promises excitement for young detectives eager to solve perplexing puzzles alongside the famous sleuths.

• Hardcover edition Vintage 1964
• Classic mystery series
• Suitable for ages 10-14
• 19th book in series
• Engaging plot


Cover shows slight wear.

Condition: Pre-Owned


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