Welcome to Nowhere, Arizona, the least livable town in the United States. For Gus, a bright 13-year-old with dreams of getting out and going to college, life there is made even worse by Bo Taylor, Nowhere's biggest, baddest bully. When Bo tries to force Gus to eat a dangerously spiny cactus, Rossi Scott, one of the best racers in Nowhere, comes to his rescue--but in return she has to give Bo her prized dirt bike. Determined to buy it back, Gus agrees...

While visiting a friend of their grandfather's on Sullivan's Island, off the coast of South Carolina near Charleston, the Boxcar Children encounter mysterious activities related to rumors of a buried pirate treasure.

The Aldens accompany their grandfather to his class reunion and investigate the possibility of a buried Civil War treasure, and of a ghost in the bell tower, at Goldwin University.

Ever since Tory Brennan and her friends rescued Cooper, a kidnapped wolf pup with a rare strain of canine parvovirus, they've turned from regular kids into a crime-solving pack! But now the very place that brought them together - the Loggerhead Island Research Institute - is out of funding and will have to shut down. That is, unless the Virals can figure out a way to save it!

"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.

The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house.

Twelve-year-old Candice Miller is spending the summer in Lambert, South Carolina, in the old house that belonged to her grandmother, who died after being dismissed as city manager for having the city tennis courts dug up looking for buried treasure--but when she finds the letter that sent her grandmother on the treasure hunt, she finds herself caught up in the mystery and, with the help of her new friend and fellow book-worm, Brandon, she sets out...

After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet. In 30 BCE, Cleopatra and her husband, Marc Antony, lost their war against Octavian for control of the Egyptian Empire. However, Cleopatra knew Octavian was really after the mysterious item that was the source of all her...

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...