All aboard for a major mystery… Frank and Joe have been asked to judge the sleuthing skills of five teen detectives in a contest sponsored by Teenway magazine. Even cooler, the contest takes place on a Caribbean cruise ship! But it’s not long before suspicious pranks threaten to ruin the contest: one of the Teenway interns nearly falls overboard, the “mystery scene” the contestants studied gets tampered with, and someone may have poisoned the food! How can the Hardys solve this titanic mystery? With the help of five teen detectives, of course, along with their own expert investigating skills. But they’d better move fast, because a culprit lurks beneath the Caribbean sun—and it’s sink or swim for Frank and Joe.

Frank and Joe investigate dangerous pranks which occur on a cruise ship.

Frank and Joe judge the sleuthing skills of five teen detectives; help their father investigate the attempted murder of a stunt man; and track down the person who has been making threats against a shop owner.

While running the childcare program on a Caribbean cruise ship, Melanie and her fellow club members stumble into a mystery involving drug smuggling.

Christmas magic can happen… Starr Snowden refuses to stay in her upstate New York hometown for Christmas, where her ex-boyfriend and his new wife have recently announced she’s pregnant. Noah Jordan doesn’t want to spend another Boston Christmas with his mother coaxing him to marry Cynthia Withers, a woman he definitely doesn’t want for a wife. They both learn of a fantastic way to escape – by signing up for a FREE one-week Christmas Cruise for those who are willing to play the part of Santa Claus or one of his elves. Aboard the ship, Starr and Noah meet and quickly become friends. When Noah‘s mother, brother, and family, including his four-year-old nephews, surprise him by appearing on the cruise, Noah has no escape from his family’s plan for him but to ask Starr to fake being his girlfriend. As they enjoy all the pleasures and excursions of the cruise, Starr and Noah are drawn to each other. But with Starr living in New York and Noah in Boston, they know a relationship would never work. After saying goodbye, a near disaster happens, making them wonder if it could.

Maps of each Caribbean island and the Caribbean area accompany travel tips and a brief history of the islands

Maps of each Caribbean island and the Caribbean area accompany travel tips and a brief history of the islands

The Hardys look to put a gang of armed robbers on ice! Frank and Joe have volunteered to do undercover security work at the Bayport winter festival. Their main assignment is to act as bodyguards for the star performer, Olympic gold medal figure skater David Kennedy. Although put on for a good cause—charity—the festival is soon plagued by bad vibes: Money intended for the local children’s hospital is ending up in the hands of masked, gun-wielding thugs, and its up to the Hardys to stop the robbers cold.