When eccentric Thaddeus McClintock invites Frank and Joe Hardy to accompany him on a sea voyage, the teenage investigators become entangled in a web of mystery. Who is trying to block the three from securing reservations on freighter ships that carry passengers? Does Mr. McClintock have unknown enemies? Or is there a sinister conspiracy afoot to keep Frank and Joe from going on the trip? Is Captain Harkness's report about sighting a phantom firefighter just a figment of his imagination? The determined efforts of Frank and Joe to find the answers lead to a hazardous game of wits with a ring of slippery smugglers and a dramatic confrontation on the high seas. At the same time, the boys hlep their famous detective father solve his current case involving forgers who are selling counterfeit nistorical documents. Recommended for ages 8 to 14. |
