While investigating the disappearance of eight children from Misty Falls State Park in Idaho, Frank goes missing in the woods, compelling Joe to prevent his brother from becoming the latest lost victim.

"In the past, victims seemed to have been children only. But since Frank was taken, who knows if anyone is safe? .... At this point, everyone is a suspect--maybe even Frank."--P. [4] of cover.

When teen movie-star Justin Carraway's twin brother disappears, Joe and Frank Hardy decide to investigate.

Frank and Joe are assigned to protect Cody Zane, a pro boarder invited to the grand opening of Galaxy X, after Tyrone, the amusement park owner, starts receiving death threats on Cody's life on his cell phone.

Joe and Frank continue to participate in the reality television show "Deprivation House," since although the culprit responsible for the initial wave of crimes has been caught, someone on the show still harbors an intent to kill.

The Hardy boys search for the missing son of a wealthy industrialist leads them to Brazil and great danger.

Threats and traps beset the boys as they track down stolen paintings which may also contain a clue to a gold treasure.

Frank and Joe Hardy are excited when their parents' friends, the Adenshaws, invite them to come visit their home in Alaska. The brothers will have the perfect guide to explore the beautiful landscape the area is known for-their hosts' daughter, Kate. During the visit, Kate introduces the Hardys to her beloved peregrine falcon. There's a major falconry competition coming up in the United Arab Emirates, and even though Kate can't compete, she-like so...