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

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!

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

"What's bright and shiny and hard to find? Buried treasure! Jigsaw's class finds a hidden riddle that leads them on a treasure hunt..."

Dora and Boots go down deep into the sea in a submarine to help Pirate Pig find his lost treasure chest. Features rebuses.

While researching the existence of dragons for an essay that could win him a trip to the Arctic, David opens himself to the possibility that a great, ancient treasure exists there, guarded by bears, and that he has some role in its protection.

Thirteen-year-old Eggbert, a planter's son on a pirate-infested Caribbean island chain, is on the run from a wealthy and powerful villain trying to kill him for his connection to a hidden treasure.

When the Alden children go camping on Blizzard Mountain, a place said to be inhabited by a ghost looking for buried treasure, they begin to think someone or something is trying to scare them off.

Once again Nancy Drew is involved in a mystery as she tries to locate an archaeologist who disappeared with the clues to a buried treasure. Terry Scott, a young archaeology professor, seeks Nancy's help in unearthing a secret of antiquity which can only be unlocked by three black keys. While on an archaeological expedition in Mexico, Terry and Dr. Joshua Pitt came across a clue to the buried treasure. The clue was a cipher carved on a stone tablet....

"Penguin is searching the ocean for treasure when he meets Ollie, a shy octopus who is curious about Penguin's adventure. So curious that he can't stay camouflaged for long! But as the two meet other sea creatures during their search, Ollie is still too shy and hides again. Worried about his new friend, Penguin recruits the other animals to help look for Ollie. Can Ollie overcome his fears? Yoon's signature bright illustrations and touching, humorous...