While the clock ticked —Dixon, Franklin W.

The Hardy boys investigate a gang of harbor thieves. Grades 4-8.

What happened at midnight —Dixon, Franklin W.

The secret of the old clock —Keene, Carolyn.

Nancy Drew searches for an old mantel clock hoping that it contains clues to find a missing will.

The ghost of Blackwood Hall —Keene, Carolyn.

When Nancy, Bess and George travel to the French Quarter in New Orleans to help recover stolen jewelry, they are lead to a deserted old mansion said to be haunted by a phantom organist.

The witchmaster's key. —Dixon, Franklin W.

The Hardy boys' investigation of a museum robbery in England arouses the anger of a coven of black witches.

Footprints under the window —Dixon, Franklin W.

The melted coins. —Dixon, Franklin W.

Suspecting that their friend has been swindled, the Hardy brothers investigate and find themselves on the trail of a much larger criminal operation.

The clue of the broken locket. —Keene, Carolyn.

Blindsighted —Slaughter, Karin, 1971-

The sleepy town of Heartsdale, Georgia, is jolted into panic when Sara Linton, the town's pediatrician and coroner, finds Sibyl Adams, a young college professor, dead in the local diner.

The clue of the tapping heels —Keene, Carolyn.

Nancy Drew and her friends solve a mystery of the strange tapping sounds in the house of a retired actress involving an invalid, cats, and tap dancing.

The white wolf —Roy, Ron, 1940-

While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom.

The clue of the broken blade —Dixon, Franklin W.

While searching for the guard end of a broken saber that will solve one mystery, the Hardy brothers become involved with a gang of bank robbers.

The clue of the leaning chimney —Keene, Carolyn.

Nancy Drew and Bess Marvin discover that a rare and valuable Chinese vase has been stolen from the pottery shop of Dick Milton, a cousin of Bess. They decide to unravel all the twisted strands of this intriguing mystery....

The scarlet slipper mystery —Keene, Carolyn.

Nancy Drew comes to the aid of the owners of a local dancing school when they receive an anonymous note threatening their lives.

The Arctic patrol mystery —Dixon, Franklin W.

While searching in Iceland for a missing sailor sought by an insurance company, the teen-age detective brothers uncover a plot threatening the life of a United States astronaut and the secrets of NASA's moon project.

The yellow feather mystery —Dixon, Franklin W.

In trying to trace a missing will, detectives Frank and Joe Hardy trap a dangerous criminal who is willing to risk all--including murder--for money.

The hooded hawk mystery —Dixon, Franklin W.

When their peregrine falcon brings down a homing pigeon carrying rubies, the Hardy brothers find themselves involved with kidnappers.

Nate the Great and the big sniff —Sharmat, Marjorie Weinman.

Nate always depends on his dog Sludge to help him solve all his cases, but Sludge is missing and Nate must rely on his own skills to find him.

The jungle pyramid. —Dixon, Franklin W.

The search for missing gold takes the Hardy boys to the Yucatan Peninsula where they uncover a second mystery.

The secret of Pirates' Hill. —Dixon, Franklin W.

Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.