Choose one or both, priced EACH. Introduce your kids to the hardy boys, they will be sure to love them, or buy them for yourself!
The Hardy Boys, What Happened At Midnight, 1931, no dust jacket, good condition, Gosset & Dunlap
Wikipedia:
This story opens with Chet Morton giving the Hardy boys and their chums a lesson on how to use the new automat which just opened in their hometown of Bayport. While jostling one another the boys bump into a blonde haired man. Later, while wrestling with the boys from Crabb Corners, Joe Hardy falls against the blonde man again causing him to drop his package which is later revealed to contain diamonds he is smuggling.
That evening the Hardy boys attend a party at the Morton's farm. While the clock was striking midnight Joe Hardy disappeared without a trace. At first Frank thinks his brother is playing a joke on him but when he does not reappear Frank gets worried. A while later Frank and his chums manage to locate Joe who has been kidnapped and kept hostage in a cave along the Shore Road.
The rest of the story deals with Frank and Joe traveling to New York City to unravel the mystery of the blonde man. In New York they are pick pocketed and have to spend a night sleeping in a park, while listening to the clock strike midnight. While hitchhiking back from New York, the boys meet two Department of Justice men who are investigating a case of diamond smuggling. When they return to Bayport the Hardy brothers locate who they believe to be Taffy Marr, the diamond smuggler. The Hardy boys chase him to the airport and then hire a plane to continue the chase, however the plane they hired has mechanical problems and crashes. After again returning to Bayport they locate Taffy Marr again, and send a message for the Department of Justice men to come and help them make the arrest. Together with help from the Department of Justice men, the Hardy brothers manage to arrest Taffy Marr and the men he's been working with.
The story concludes with an informal party at the Morton's farm again, with the boys recounting their adventures for their friends, while the clock strikes midnight again.
The Secret Warning, 1938, no dust jacket, good condition, Gosset & Dunlap
Wikimedia:
The Hardy Boys meet up with a professional diver by the name of Roland Perry, who is employed by the Crux Brothers diving company. After the boys rescue Perry from a mishap on the water, they loan him one of their father's suits, and Perry heads off to his next job at nearby Bailey's Landing. But the suit happened to contain important notes for the case that the elder Hardy was working on, so he sends the boys to retrieve them. Along the way, they run afoul of two thugs, Bock and Simon.
After retrieving the notes, the boys stick around to help Perry raise a yacht belonging to a wealthy businessman. In the process, they become entangled in Perry's bitter feud with another diver, Gus Kuntz, the unscrupulous owner of a rival diving company. Kuntz employs the thugs Bock and Simon, and repeatedly tries to sabotage Perry's diving operations, putting Perry's and the boys' lives at risk. Mysterious notes left at the Hardys' hotel serve as the eponymous secret warnings, foretelling misfortune, but the boys are undaunted.
At length the yacht is raised, and Perry moves on to his next job: searching for treasure in the sunken ocean liner Katawa off of Reed's Point. They enlist the aid of eager photographer and inventor Earl Chipsley and his remarkable underwater X-ray motion picture camera. But the second mate of the Katawa, Clark Hornblow, institutionalized after having gone mad at the time of the wreck, insists the riches are elsewhere, having been stolen by other officers using a lifeboat. What's more, Kuntz and his henchmen will stop at nothing to claim the gold and diamonds for themselves. The Hardys are beset by dangers above and below the surface of the sea as they attempt to secure the Katawa's fantastic treasure.
Materials: paper, ink.