Hardy Boys Books 11-20 The Hardy Boys Mystery Collection Box Set

Hardy Boys Books have been delighting young readers for decades and now the second ten captivating mysteries are available in a new slipcover for 2019.
The Hardy Boys Collection is the perfect gift for aspiring detectives, or long time fans of the series.
This collectible set is the 2019 edition and contains the second 10 mysteries in the series presented in a specially designed slipcase.
Not only is it the perfect way to keep all the books together, it also looks great on the bookshelf!
This Hardy Boys Box Set includes the following nail-biting titles :
11. While the Clock Ticked
12. Footprints Under the Window
13. The Mark on the Door
14. The Hidden Harbor Mystery
15. The Sinister Signpost
6. A Figure in Hiding
17. The Secret Warning
18. The Twisted Claw
19. The Disappearing Floor
20. The Mystery of the Flying Express