Have you ever met a real live ninja? Jack and Annie do when the Magic Tree House whisks them back to ancient Japan, where they find themselves in the cave of a ninja master. Will they learn the secrets of the ninja? Or will the evil samurai warriors get them first?

It's a treasure trove of trouble! Jack and Annie are in for a high-seas adventure when the Magic Tree House whisks them back to the days of deserted islands, secret maps—and ruthless pirates! Will they discover a buried treasure? Or will they be forced to walk the plank?

The Ice Age is very cool…for two kids in bathing suits! Jack and Annie nearly freeze when the Magic Tree House whisks them back to the time of cave people and woolly mammoths. But nothing can stop them from having another wild adventure—not even a saber-toothed tiger!

A castle with a secret passage! That's what Jack and Annie find when the Magic Tree House whisks them back to the Middle Ages for another wild adventure. In the Great Hall of the castle, a feast is under way. But Jack and Annie aren't exactly welcome guests!

In 1991, two tourists hiking in the Alps saw something very odd sticking out of the snow. At first...

A perfect gift for new parents, birthday celebrations, and happy occasions of all kinds, this...

Today is your birthday! Today you are you!...There is no one alive that is you-er than you! Six...

This story takes place two years after Brian had been stranded in the Canadian wilderness. When...

A young boy weighs the pros and cons of possessing various animal appendages—such as a duck's feet...

Learn how to use the programming language Scratch to create your own games. Easy to follow...

Favorite characters from the Star Wars movies guide you through creating your own code using Scratch...