It was 1964 in the brand-new state of Alaska, a vast land of staggering beauty and heart-stopping dangers. Eleven-year-old Jack had grown up living happily with his parents in an off-the-grid cabin, miles from their closest neighbors. Grizzlies and wolves outnumbered people, and dark winter days were 30 degrees below zero. Jack had always thought of himself as strong--"Alaska tough". But then the most powerful earthquake in American history--the Good...

The magic tree house whisks Jack and Annie away to Australia where they must save some animals from a wildfire.

Ferdinand likes to sit quietly and smell the flowers, but one day he gets stung by a bee and his snorting and stomping convince everyone that he is the fiercest of bulls.

Their magic tree house takes Jack and Annie back to a monastery in medieval Ireland, where they try to retrieve a lost book while being menaced by Viking raiders.

Ivan has been happily living in a wildlife sanctuary, with his friend Ruby next door in the elephant enclosure, frequent visits from his canine friend Bob, and his mate Kinyani by his side. And in the happiest turn of all, Ivan and Kinyani have welcomed a set of twins to their family!

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.

The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

The magic tree house takes Jack and Annie to Antarctica to search for the fourth secret of happiness for Merlin.

In this novel-in-verse that picks up a few months after the events of The One and Only Bob, Ruby recounts her life before the circus when her caretaker from the elephant orphanage in Africa comes for a visit.

Follows the efforts of twelve-year-old Reena, who has recently moved to rural Maine, to adjust to a new environment while unexpectedly bonding with an ornery cow.