Meet Mr. Penguin: adventurer (and penguin)! He has a dashing hat. He has a battered satchel. He has a packed lunch of fish finger sandwiches. Now he just needs an adventure! So when Bouddica Bones from the Museum of Extraordinary objects calls for help, Mr. Penguin swings into action. Can he and Colin the spider find the museum's missing treasure before bandits do? Or is this the adventure Mr. Penguin should have never answered? -- from Amazon.

When Candice finds a letter in an old attic in Lambert, South Carolina, she isn't sure she should read it. It's addressed to her grandmother, who left the town in shame. But the letter describes a young woman. An injustice that happened decades ago. A mystery enfolding the letter-writer. And the fortune that awaits the person who solves the puzzle. So with the help of Brandon Jones, the quiet boy across the street, she begins to decipher the clues....

A boy and his dog set sail in search of treasure, braving stormy seas, snowy mountains, and other challenging obstacles, before finally reaching the end of their quest for the treasure of Pirate Frank.

A voyage to Guyana in hopes of retrieving a sunken ship's treasure leads to a dangerous pursuit, in a book where the reader determines the path and ending of the story.

Thirteen-year-olds Sloane and Amelia embark on their first paid detective job to find a time capsule buried on the grounds of Cedar Point Amusement Park, but encounter opposition from a vengeful schoolmate, the park manager, and a ghostly figure.

It is Bub the pug's first trip to the beach, and Bella wants to enter him in a pet-surfing contest, but Bub is scared of the ocean and refuses, so he hopes to make it up to Bella by presenting her with the treasure at the end of the map he found.

"Entierratón descubre el mapa de un antiguo tesoro en las lúgubres criptas del Castillo de la Calavera, entre pantanos hambrientos, baños de guindilla picante y cementerios tétricos. Geronimo y Tenebrosa irán en busca del tesoro: una aventura escalofriante, temible para él y divertida para ella."--

After the presumed death of their long-absent father, Edred inherits the title of Lord Arden and moves with his sister Elfrida into the decrepit family castle where they find an ancient spell that conjures up the magical Mouldiwarp and, with his help, set off on a journey through time in search of the lost Arden treasure.