Join the sleuthing siblings for more adventures in Book 11-20 in the Hardy Boys series. Longtime fans or aspiring detectives will love this new collection!

Recommended Ages: 8+
Format: Hardcover
Author: Franklin W. Dixon

Titles:

While the Clock Ticked
Footprints Under the Window
The Mark on the Door
The Hidden Harbor Mystery
The Sinister Signpost
A Figure in Hiding
The Secret Warning
The Twisted Claw
The Disappearing Floor
Mystery of the Flying Express