Soon after arriving at the Winchesterfield-Downsfordvale Academy for Proper Young Ladies, resourceful seven-and-one-quarter-year-old Alice-Miranda finds her new boarding school to be a very curious establishment with no flowers in the gardens, a headmistress that has not been seen for years, and a mysterious stranger that seems to be hiding out on the premises.

Teenage detectives Frank and Joe Hardy investigate a case of counterfeiting.

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.

KC's mother and the clone of the President of the United States are kidnapped by disgruntled astronauts who want to take over the International Space Station.

Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes ("Lock" to his friends). An heirloom Bible, donated by the Moriarty family more than a hundred years ago, has gone missing, and it doesn't take long for the...

When the school's grades are tampered with, Samantha Sanderson must enlist her best friend Makayla's help in hacking the system to discover the virus that was used and who committed the crime. But when the lead suspect is her newfound friend, Felicia, Sam must choose whether to stick by her friend at all costs or to report the story as she sees it. -- from publisher.

While traveling on the train to San Francisco with his cousin Olivia's owl, Nate the Great and his dog Sludge must use all of their detective skills when the owl suddenly disappears.

Nancy arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch but finds herself embroiled in a baffling mystery involving a phantom horse and buried treasure. Local people believe that the ghostly animal is carrying out the curse of Dirk Valentine, the romantic outlaw who was killed many years ago at Shadow Ranch, where he had gone to fulfill a promise to his sweetheart. Suspecting that a treasure hidden by Valentine...

"Rancid rat hairs, the cat pirates are coming to town! They're planning on stealing New Mouse City's Statue of Liberty and taking it back to Cat Island. They think it's completely made of gold! My friends and I are determined to protect our city's precious symbol. But can we stop these fearsome felines?"--Page [4] of cover.

The ten-year-old detective continues his war on crime in Idaville through ten more cases, for which the reader is invited to guess the solution before it is revealed.