![](/images/cover/.tmb/thumb_067102549X-L_100_200.jpg)
...
Unknown
The Caribbean Cruise Caper is the 154th book The Hardy Boys Mystery Stories by Franklin W. Dixon.
![](/images/cover/.tmb/thumb_0448089491-L_100_200.jpg)
...
Unknown
The Bombay Boomerang is Volume 49 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Vincent Buranelli in 1970.
![](/images/cover/.tmb/thumb_067142355X-L_100_200.jpg)
...
Unknown
The Billion Dollar Ransom is the 73rd title of the Hardy Boys series, written by Franklin W. Dixon.
![](/images/cover/.tmb/thumb_0448089483-L_100_200.jpg)
...
Unknown
The Arctic Patrol Mystery is Volume 48 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Andrew E. Svenson in 1969.
2280117141653511740701468278411689126474300353300344300334605485