"Baby Bear, Baby Bear, What Do You See"? is the final collaboration fromthis bestselling author-illustrator team.

Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark . . . or will they become a dinosaur's dinner?

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!

But that's what they get when the Magic Tree House whisks them back to ancient Egypt. There they meet a long-dead queen who needs their help. Will Jack and Annie be able to solve the puzzle, or will they end up as mummies themselves?

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?

That's what Jack and Annie are about to run into when the Magic Tree House whisks them away to the Amazon River. It's not long before they get hopelessly lost. Will they be able to find their way back to the tree house? Or are Jack and Annie stuck forever in the rain forest?

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?

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!

for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the day? Or are Jack and Annie doomed to be dinner?

The Magic Tree House whisks Jack and Annie off to the moon—and the future. Their mission? To find the last "M" thing that will free Morgan from the spell. Can they do it before the air in their oxygen tank runs out? Will the mysterious moon man help them? And why is Peanut the mouse acting so strange?

Jack and Annie wonder when the Magic Tree House whisks them to the Wild West. But before they can say "Boo!" they rush headlong into an adventure filled with horse thieves, a lost colt, rattlesnakes, and a cowboy named Slim. Will Jack and Annie have time to solve the next Tree House Riddle? The answer may depend on a ghost!

Jack wonders when the Magic Tree House whisks him and his sister to the vast plains of Africa. Before he can find out, Annie starts to help hundreds of wildebeests cross a rushing river. Next they follow a honey of a bird and meet an awesome Masai warrior. Jack hopes any lions will just stay away. Jack is about to be very disappointed . . .

Jack and Annie are about to find out when the Magic Tree House whisks them back to the days of the Roman Empire. They arrive in Pompeii and soon discover that it is the very day the city will be destroyed. Now Jack and Annie must race against time to find an ancient library before it is buried in ash!

when the Magic Tree House whisks Jack and Annie to the frozen Arctic. Luckily, a seal hunter on a dogsled lends them warm clothes. Unluckily, they get stuck on cracking ice. Will the giant polar bear save them? Or will Jack and Annie become frozen dinners?

warns Morgan. Then Jack and Annie are whisked back to ancient Ireland. They land on a cliff on a misty island. How will they find the story they are looking for? It will take a Viking invasion, the help of a jolly monk, and a lot of courage for Jack and Annie to succeed in Viking Ships at Sunrise.

Jack and Annie find out when the Magic Tree House whisks them back to ancient China. There, a powerful emperor called the Dragon King has ordered that all books be burned. Will Jack and Annie be able to save at least one book? Or will they be captured by the emperor's soldiers?

That's the rule when the Magic Tree House whisks Jack and Annie back to ancient Greece. But when Annie tells jack to go to the games without her, he knows she's up to something. Will Annie find a way to see the games? Or will she get herself—and Jack—into Olympic-size trouble? Find out in Hour of the Olympics.

That's what Jack and Annie say when the Magic Tree House whisks them and Teddy, the enchanted dog, back almost 200 years to the Great Plains. There they meet a Lakota boy who shows them how to hunt buffalo. But something goes wrong! Now they need to stop a thousand buffalo from stampeding!

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?

That's what Jack and Annie find when the Magic Tree House whisks them and Teddy, the enchanted dog, to a forest in India. The rare tigers are being trapped by greedy poachers! Can Jack and Annie find a way to help? Or will a fierce tiger eat them instead?