This book is a treasure for all the fans of the Hardy Boys series. The story revolves around Frank and Joe who are on a mission to solve a mystery. The book is a first edition published in 1938 by Warne and comes in a hardcover format. It is written by the renowned author Franklin W. Dixon.

The Secret Warning is a part of the Hardy Boys book series and is written in English. It is a great addition to any book collection and is sure to keep you hooked until the very end. Get your hands on this classic piece of literature today.

Stain on binding as pictured