Christmas in Camelot —Osborne, Mary Pope.

On Christmas Eve, Jack and Annie's tree house transports them to King Arthur's castle at Camelot, where they undertake a quest to the castle of the Otherworld.

Narwhal on a sunny night —Osborne, Mary Pope, author.

"The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson"-- Provided by publisher.

Late lunch with llamas —Osborne, Mary Pope, author.

"The magic tree house whisks Jack and Annie away to South America, where they must climb Machu Picchu to save a baby llama"-- Provided by publisher.

A big day for baseball —Osborne, Mary Pope, author.

"Jack and Annie use the magic tree house to travel back in time to 1947 Brooklyn, New York, where they pretend to be batboys at Jackie Robinson's first game with the Brooklyn Dodgers against the Boston Braves"-- Provided...

Stallion by starlight —Osborne, Mary Pope, author.

Jack and Annie are magically transported to Ancient Greece to find the meaning of greatness. There they meet the young Alexander the Great and take part in the famous story of how he tamed his horse, Bucephalus.

Hurricane heroes in Texas —Osborne, Mary Pope, author.

"Jack and Annie travel in the magic tree house to Galveston, Texas on September 8, 1900--the day of the worst natural disaster in US history"-- Provided by publisher.

Dolphins at daybreak —Osborne, Mary Pope.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

Twister on Tuesday —Osborne, Mary Pope.

When Jack and Annie travel back to the Kansas prairie in search of "something to learn," they gain an understanding of how hard life was for pioneers and they experience the terror of a tornado.

To the future, Ben Franklin! —Osborne, Mary Pope, author.

"Jack and Annie are whisked back in time by the magic tree house to meet Benjamin Franklin in Old Philadelphia"-- Provided by publisher.

Buffalo before breakfast —Osborne, Mary Pope.

The magic tree house takes Jack and his sister Annie to the Great Plains where they learn about the life of the Lakota Indians.

Warriors in winter —Osborne, Mary Pope, author.

"The magic tree house whisks Jack and Annie back in time to meet famed Roman emperor Marcus Aurelius!"--Provided by publisher.

Summer of the sea serpent —Osborne, Mary Pope.

Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin.

Blizzard of the blue moon —Osborne, Mary Pope.

The great treehouse war —Graff, Lisa (Lisa Colleen), 1981- author.

Winnie's last day of fourth grade ended with a pretty life-changing surprise. That was the day Winnie's parents got divorced, the day they decided that Winnie would live three days a week with each of them and spend Wedn...

Pirates past noon —Osborne, Mary Pope, author.

The magic treehouse whisks Jack and Annie back to the days of deserted islands, secret maps, hidden gold, and nasty pirates.

Hurry up, Houdini! —Osborne, Mary Pope.

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

Late lunch with llamas —Osborne, Mary Pope, author, narrator.

"The magic tree house whisks Jack and Annie away to South America, where they must climb Machu Picchu to save a baby llama"-- Provided by publisher.

A crazy day with cobras —Osborne, Mary Pope.

The magic tree house whisks Jack and Annie to India during the Mogul Empire in the 1600s to search for an emerald needed to break a magic spell.

Jorge el curioso construye una casa en un árbol = Curious George builds a tree house —Tibbott, Julie, author.

Wanting a place of his own with fewer rules, Curious George decides to build a tree house but finds the task more challenging than anticipated.

Abe Lincoln at last! —Osborne, Mary Pope.

The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell.