When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

On Butterfly Island, sailer Stout Sam and his deckhand Pip must rescue their treasure-sniffing pig from nasty pirate Barracuda Bill.

Geronimo and his friends set sail to the Ratlapagos Islands to search for a sunken treasure. He soon begins to suspect that they aren't the only ones looking for the treasure.

Thirteen-year-old Trixie Belden and her friends search for hidden treasure in a mysterious mansion owned by an old miser.

The discovery of a message in code on a shoreline formerly infested with pirates sends William Legrand and his friends on a hunt for buried treasure.

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...

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.

"Meet the robots Blink and Block in this STEM-inspired story by debut author-illustrator Vicky Fang. Blink is scanning the playground for treasure, and Block is pretty sure there's no gold to be found. Will Blink prove that treasure does exist--or will these two new pals find something even better?"--

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.

When an oil survey team is abducted after a suspicious accident, Dirk Pitt follows leads to Mongolia, where he learns about a megalomaniac's plot to supply oil to China and to undermine global oil markets.