Bestselling author Jude Watson takes Amy and Dan on a thrill-packed ride for the 4th installment of The 39 Clues series.

Betrayed by their cousins, abandoned by their uncle, and with only the slimmest hint to guide them, fourteen-year old Amy Cahill and her younger brother, Dan, rush off to Egypt on the hunt for 39 Clues that lead to a source of unimaginable power. But when they arrive, Amy and Dan get something completely unexpected - a message...

When Geronimo's sister, Thea, discovers an old, mysterious map showing a secret treasure hidden on a faraway island, the gang of the "Rodent's gazette" is dragged into a treasure hunt.

Join Captain Pete as he sails to discover hidden treasure.

"Tuptown is in trouble. To save it, Pigsticks and Harold must come up with a huge ransom to buy the town from greedy Sir Percival. With his piggy bank empty, Pigsticks turns to a family heirloom: the treasure map of Pigsticks's great-great-grandpig, Pirate Pigbeard. Dressed like scalawags, with a trove of swashbucklers' supplies, the daring duo sets sail. But the atmospheric (some might say "rickety") old pirate ship Pigsticks chooses can't stand...

Eager for adventure, CJ follows the directions of a map anonymously mailed to him.

When Ruby, her best friend, Ned, and her dog, Mungo, spend a week by the sea, they find themselves solving one mystery after another toward uncovering treasure. Includes a collection of puzzles young readers must solve throughout the story along with an answer key, a glossary, and resources for further information.

"Charlie Thorne must search for Charles Darwin's hidden treasure in South America--with plenty of enemies hot on her trail"-- Provided by publisher.

On their way home, Elmer and a flying dragon land on an unusual island and help some canaries uncover a buried treasure. Sequel to "My Father's Dragon."

When Ted inherits his uncle's apartment "and all the treasure within," he realizes the apartment is set up like a real-life video game and must solve the puzzles with his friends to discover the treasure.

Levi Viggers the Eighth, descendent of a pirate, must serve a year of after-school detention in the library where he comes across a book that reveals some old family secrets, leading him to team up with his bullying cousin in a search for buried treasure.