-by Franklin W. Dixon (1932, 1930s-1950s ed.)

Vintage book, volume #11 from The Hardy Boys series, tweed bound hardcover with brown imprint and orange end pages. 

In While the Clock Ticked, two teenage boys are recruited by a Mr. Dalrymple to solve the mystery of death threats sent to a securely locked room on a private estate.

From the long-time bestselling mystery series The Hardy Boys, the male counterpart to the Nancy Drew series. The fictional Hardy Boys characters were conceived by Edward Stratemeyer and written by ghostwriters under the pen name Franklin W. Dixon. The series follows the adventures of the two teenage sons of detective Fenton Hardy, Frank and Joe, a resourceful, rebellious, and intelligent pair who are immersed in constant action and danger upon assisting their father in crime solving, as well as working on their own cases. 

-Hardcover, 192pp
-Publisher: Grosset & Dunlap, Inc.
-Origin: USA