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!

Five children who are the offspring of supernatural criminals and who have special abilities of their own leave their isolated tropical home and head to the city of Estero, where they hope to find their parents and the treasure they hid years ago.

Anna and her friend Crocodile set off on an adventure to find sunken gold, even though it is a dangerous and difficult quest.

Newspaper editor and adventure author Geronimo Stilton--who is also a mouse--gets roped into his sister Thea's treasure hunt on a remote island after she discovers an intriguing old map.

"Clara and Clem are off on an adventure under the sea! The two swim with dolphins, hug a shark, and even find buried treasure. Let's go!"--P. [4] of cover.

"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.

Riff Raff, a bold mouse pirate, searches for a missing clue that will help him and his cheese-loving crew complete a treasure hunt.

"The Aldens find a hidden time capsule! Inside is a journal with clues to a treasure hunt. Who wrote the journal? And after a hundred years, can the Boxcar Children find the treasure?"--Back cover.

Nancy and her friends become involved in a search for lost treasure.

Twelve-year-old Sahara prefers logic and science over magic, but when she travels to Cairo for a family wedding, her resistance to magic fades when she discovers that she is next in a line of women tasked with guarding Ali Baba's treasure.