FOR USE IN SCHOOLS AND LIBRARIES ONLY. What is the mysterious organization known as A.T.A.C., and how are the Hardy's involved? Are the Hardys leaving Bayport forever? Why is Aunt Gertrude acting so strange? Uncover the clues to these questions as Frank and Joe take to the skies to crack a diamond-smuggling team of sky-divers. The new storylines reflect the upcoming Simon and Schuster revamped Hardy Boys novels, and are filled with action, thrills, and lots of mystery!
--This text refers to an alternate
