The Hardy Boys series, first published in 1927, has sold more than 70 million copies!
Now with a brand-new look, this is an edition that collectors won't want to miss! In The Secret of the Caves, the seventh book in the incredibly popular, long-running series, Frank and Joe Hardy discover the secret of the Honeycomb Caves while searching for a missing professor. A special treat for Hardy Boys fans and any reader who's new to the series!
| ISBN: | 9780515159097 |
| Publication date: | 17th October 2017 |
| Author: | Franklin W. Dixon |
| Publisher: | Grosset & Dunlap an imprint of Penguin Young Readers Group |
| Format: | Hardback |
| Pagination: | 175 pages |
| Series: | Hardy Boys Adventures |