Another adventure involving Frank and Joe, the intrepid Hardy boys.
Kids will love this hilarious fairy tale adventure packed with clever twists, familiar characters and page-turning fun.
The second book in a fabulous new magical, middle-grade series filled with adventure, wonder and wildness,
This is Book 135 in the Hardy Boys S. Series. See all Hardy Boys S. books here.
See More Crime & mystery fiction
No one has written a review for 'Hypersonic Secret'
Why not be the first to share your opinion?
Franklin W. Dixon is the author of the ever-popular Hardy Boys books.
More about Franklin W. Dixon