Colorado Parks & Wildlife Research Library

Using their magic tree house, Jack and Annie travel back to the time of the American Revolution and help General George Washington during his famous crossing of the Delaware River.

Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash.

A year after he sends his Indian friend, Little Bear, back into the magic cupboard, Omri decides to bring him back only to find that he is close to death and in need of help. Sequel to "The Indian in the Cupboard."

Jack and his younger sister take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the Next Life.

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.

The magic tree house transports Jack and Annie to the deck of the Titanic to find a mysterious gift that will free their puppy from a terrible magic spell.

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.

"Join Jack and Annie as they as they meet one of the world's most famous illusionists - Harry Houdini!"--

Jack and Annie continue their quest for the secrets of happiness--secrets they need if they're going to save Merlin. But when the magic tree house leads them to a tiny deserted island in the middle of the ocean, they're not sure who needs help more--Merlin or themselves! The brother and sister team are soon rescued by a ship of explorers and scientists. But the crew isn't looking for the secrets of happiness. The crew is looking for . . . a sea monster!From...

Four adventurous siblings-Peter, Susan, Edmund, and Lucy Pevensie-step through a wardrobe door and into the land of Narnia, a land frozen in eternal winter and enslaved by the power of the White Witch. But when almost all hope is lost, the return of the Great Lion, Aslan, signals a great change . . . and a great sacrifice.