A note on book covers: while we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.
The Hardy Boys are determined to learn the secret of an old mill and employ a clever ruse to gain entrance. But soon they are trapped. In this adventure, there is danger on two levels for Frank and Joe. First, they confront a nasty gang who will stop at nothing to halt their investigations and second, their father Denton Hardy is on a confidential mission that may deal with sabotage. Will the Hardys unravel the mysteries?
A note on book covers: while we do our best to ensure the accuracy of cover images, ISBNs may at times be reused for different editions of the same title which may hence appear as a different cover.
Classic boy detective adventure with secrets and danger.
Who is this book for?
If you love daring mysteries with clever sleuthing, you'll enjoy The Secret of the Old Mill. It's a fast-paced adventure that captures the spirit of youthful curiosity and bravery, perfect for those who enjoy puzzle-solving and suspense. The Hardy Boys' courage and wit make it a compelling read for mystery enthusiasts.
