Published May 25, 2010
Hardcover, 190 pages
Having read all the books in this series so far, I am now most anxious to read the final book that is due to come out in August. Every book has captured my attention and Book 9: Storm Warning is no exception. It is aptly titled and if you are an astute observer some things are revealed even before you read the book. That’s one of the things I love about The 39 Clues.