Farm boy Homer faces another challenger for his uncle's spot in the society of Legends, Objects, Secrets, and Treasures but Dog's hidden ability to smell treasure guides the duo as clues lead them to fantastic mansions and hidden islands.

Young Mildred Hubble, an apprentice witch with a reputation for being the worst student at Miss Cackle's Academy for Witches, smuggles her cat Tabby on a class trip to Gloomy Cove with unexpected results.

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!

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.

"As Tycho and his siblings continue to compete for the captain's chair of the Shadow Comet, they must work together to hunt for an old pirate treasure--a treasure that is tied to some long-buried family secrets"--

On a whale watch, Meg tries to solve a puzzling case involving a stolen treasure map. The reader is asked to solve the mystery before Meg, using clues found in the text and illustrations.

Treasure hunters Harriet, Jack, and Toby find a second lost journal and travel to the Nether to find a missing explorer.

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

After bonding over their distaste for the roles they are expected to fill, Rapunzel and Cassandra discover a secret lagoon said to hold the kingdom's greatest power.

When the Code Busters visit the Carmel Mission, a series of coded messages sets them on the hunt for long-hidden pirate treasure.