When Dink, Josh, and Ruth Rose visit a dude ranch in Montana, they find themselves with another mystery to solve, this one involving the theft of money from the ranch's safe and of a large gold nugget that Josh had found.

While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom.

"Asim suspects their new student teacher is Old Higue--a witch from Guyanese folklore--but Rokshar believes the woman has invented a new travel device"--

When the guests of the Shangri-La Hotel are scared away by a white-haired female ghost, Dink and his friends investigate the mystery.

Dink and his friends meet an exchange student, Sammi, who is actually the prince of an island country, hiding from those enemies who have kidnapped his parents and who may be after him as well.

Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.

In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.

"Parker twins Finn and Molly help new friend Carlos follow a treasure map left to him by his grandfather"--

"Includes brand-new full color illustrations! Celebrate Christmas with Jack, Annie, and the Magic Tree House with this oversized, gorgeously illustrated deluxe holiday edition from the #1 bestselling chapter book series. When Jack and Annie receive an invitation to spend Christmas Eve in Camelot--a magical place that exists only in myth and fantasy--they know they are in for their biggest adventure yet. What they don't know is that the invitation...

During a summer at his grandparents' dinosaur museum and dig, the Dinosaur Education Center of Wyoming, Frank, aided by his cousin Sam and cat Saurus, cares for a newly-hatched dinosaur while trying to keep its existence secret, both from his grandparents and from the neighbors.