When Bear follows Goose on what he thinks is a treasure hunt, they make a wonderful discovery.

The Aldens visit Grandfather's friend at the Ogopogo Retreat and aided by puzzling clues, embark on a treasure hunt to prevent the retreat from being sold.

"Oona and her best friend Otto love to search for treasure...and often find trouble instead. Messy trouble. Tricky trouble. Even shark-related trouble. That's never stopped them before, though! After all, no proper treasure hunt is without some adventure. But when the grandest treasure yet is stuck in a deep, dark rift, Oona's not sure if she can dive right in. What might be waiting for her in those unknown wates?"--

"After finding Mr. Summerling's secret tree house and forming the Treasure Troop, Marly, Isla and Sai are back on the hunt. With a new set of clues to follow, they turn to Mr. Summerling's house. With just a few scraps of paper as clues, secrets around every corner, and an unwelcome visitor, the hunt will be a challenge."--Provided by publisher.

Dinosaur buccaneers use their armored plates, strong tails, and mighty wings to plunder buried treasure.

"Join Marly, Isla, and Sai, three code-cracking kids on the hunt for an old neighbor's hidden treasure"--Provided by publisher.