Mary Pope Osborne

Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

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.

As a thank-you from Merlin and Morgan, Jack and Annie are sent on what should be a vacation at a luxurious resort in Cozumel, Mexico, but is, by mistake, an adventure with ancient Mayans, instead.

"Jack and Annie search for the fourth secret of greatness for Merlin the Magician in Mexico City at the 1970 World Cup Games. They hope to learn something new from soccer player great, Pele"--Provided by publisher.

"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...

It's a treasure trove of trouble when the Magic Tree House whisks Jack and Annie back to the days of deserted islands and nasty pirates.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!
Titanic trouble! Jack and Annie are in for an exciting, scary, and sad adventure when the Magic Tree House whisks them back to the decks of the Titanic. Is there anything they can do to help the ill-fated ship? Will they be able to save anyone? Will they be able to save themselves?
Did you know that...

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.

Eight-year-old Jack, his seven-year-old sister, Annie, and Peanut the mouse ride in a tree house to the Amazon rain forests, where they encounter giant ants, flesh-eating piranhas, hungry crocodiles, and wild jaguars.

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