Mary Pope Osborne

In this latest installment of the magical series, Jack and Annie are whisked off to the vast plains of Africa, where they must solve Morgan le Fay's third magical riddle. Once the riddle is solved, they still have to get past a pride of lions, a herd of rampaging wildebeests, and one very hungry Masai warrior.

Make storytime a little spookier with the #1 bestselling chapter book series of all time Every visit to the magic tree house leads to a time-travel adventure Is this town HAUNTED? 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 Did you know that the Magic Tree House series has two levels? MAGIC TREE HOUSE: Perfect for readers 6-9 who are just beginning to read chapter books--includes this boxed set MERLIN MISSIONS: More challenging adventures for experienced readers ages 7-10 The Magic Tree House series has been a classroom favorite for over 25 years and is sure to inspire a love of reading--and adventure--in every child who joins Jack and Annie

Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic Tree House again, this time to a whole new world under the ocean. Complete with a giant octopus, a hungry shark, and dolphins to the rescue, this Magic Tree House book delivers an underwater adventure kids can dream about.

Jack and Annie find themselves whisked away to ancient Egypt, where they come face to face with a dead queen--and her 1,000-year-old mummy. Osborne continues to delight time-travel fantasy fans with her latest fast-paced adventure.

Jack and Annie travel back in time to a South American rain forest in search of the elusive magician Morgan le Fay. Will they find a new clue to her whereabouts before they are trampled by stampeding killer ants?

The tree house is back--but where is the enchantress Morgan le Fay? The search for her begins as Jack and Annie are transported back to ancient Japan, where they find themselves in the cave of a ninja master. Will the evil samurai warriors get to Jack and Annie before they can learn the secrets of the ninjas?

Jack and Annie are in deep trouble when the Magic Tree House whisks them back to the days of desert islands, secret maps, hidden gold--and ruthless pirates. Will Jack and Annie discover a buried treasure? Or will they walk the plank?

Jack and Annie's very first fantasy adventure in the bestselling middle-grade series--the Magic Tree House Where did the tree house come from? 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? Visit the Magic Tree House website MagicTreeHouse.com