Most Popular Books by Mary Pope Osborne

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! 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! Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! No girls allowed at the Olympic Games! 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. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie! This time, meet famous explorer Leif Erikson and help save a narwhal! When the magic tree house whisks Jack and Annie to Greenland, they''re not sure what time they''ve landed in, but they immediately know what their mission is: save a narwhal! Then they meet a young hunter named Leif Erikson and they ask for his help. But Leif has other ideas... Track the facts with Jack and Annie in the nonfiction companion to this book: Narwhals and Other Whales. Did you know that there''s a Magic Tree House book for every kid? Magic Tree House: Perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures If you''re looking for Merlin Mission #33: Carnival at Candlelight, it was renumbered as part of the rebrand in 2017 as Merlin Mission #5.

Magic. Mystery. Time-travel. Take a trip back to the first Thankgiving with Jack and Annie and the Magic Tree House-- the #1 bestselling chapter book series of all time! It''s a time for giving thanks when the Magic Tree House whisks Jack and Annie back to 1621 on the first Thanksgiving Day. The Pilgrims ask them to help get things ready. But whether it''s cooking or clamming, Jack and Annie don''t know how to do anything the Pilgrim way. Will they ruin the holiday forever? Or will the feast go on? The Magic Tree House series has been a favorite for over 25 years and is sure to inspire a love of reading—and adventure—in every child who joins Jack and Annie! Did you know that there’s a Magic Tree House book for every kid? • Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books • Magic Tree House Graphic Novels: Jack and Annie''s original adventures come to life with full-color, vibrant art, perfect for graphic novel fans and reluctant readers • Merlin Missions: More challenging adventures for the experienced reader • Super Edition: A longer and more dangerous adventure • Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

We are celebrating by bringing full color to the Cretaceous period—full-color art that is! This jacketed hardcover edition boasts new artwork, plus extras, like an interview between the creators, a letter from Mary Pope Osborne, and up-to-date dinosaur info! Join Jack and Annie as they travel back to the time of dinosaurs where they encounter all sorts of dinos from the terrifying T-Rex to the crowd-pleasing Triceratops—and start on a life-time of adventures with new readers.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Three …two…one…BLAST OFF! 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? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie--this time to the Yosemite National Park! Jack and his sister, Annie, must go to California! They must look at nature! They must save the wilderness! Save it from what, exactly? That''s what Jack and Annie must find out when the magic tree house lands in the tallest tree on earth. The nature around them is so grand and peaceful--is it really in danger? Two travelers, two sketchbooks, and one grizzly bear will show Jack and Annie that danger isn''t always seen with the eyes. Sometimes it''s felt with the heart. Did you know that there''s a Magic Tree House book for every kid? Magic Tree House: Perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures If you''re looking for Merlin Mission #35: Night of the New Magicians, it was renumbered as part of the rebrand in 2017 as Merlin Mission #7.

Make story time 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! Jack and Annie are on a mission to find—and inspire—a musician that brings happiness to millions of people. After traveling to New Orleans, Jack and Annie come head to head with some real ghosts, and discover the world of jazz when they meet a young Louis Armstrong. Formerly numbered as Magic Tree House #42, the title of this book is now Magic Tree House Merlin Mission #14: A Good Night for Ghosts. 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!

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! "Where are the lions?" 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… Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie are off on another mythical mission at the request of Merlin the magician. Luckily, they have a young sorcerer, Teddy, to help them. From underwater caves to a Spider Queen, from mystical selkies to a magical sword, this is a Magic Tree House adventure kids won’t want to miss! Formerly numbered as Magic Tree House #31, the title of this book is now Magic Tree House Merlin Mission #3: Summer of the Sea Serpent. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Hello, buffalo! 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! Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Merlin the magician and Morgan le Fay have disappeared, and in order to find them, Jack and Annie journey with their friends Teddy and Kathleen to the Land-Behind-the-Clouds, a frozen kingdom of ice and snow. There they must overcome their fears and solve the Ice Wizard''s riddle, because if Jack and Annie don''t complete their mission in time, Merlin and Morgan will disappear forever! Formerly numbered as Magic Tree House #32, the title of this book is now Magic Tree House Merlin Mission #4: Winter of the Ice Wizard. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie are on a mission to find (and inspire!) creative people. This time, Jack and Annie meet an Irish girl and go on a magical adventure that changes the girl’s life—she grows up to be Lady Gregory, who helped bring back the Irish legends, started a theater, and helped the Irish people regain both their heritage and their pride. Formerly numbered as Magic Tree House #43, the title of this book is now Magic Tree House Merlin Mission #15: Leprechaun in Late Winter. Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! 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? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!

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 there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling Magic Tree House series for chapter book readers is ready to whisk you away across the world with Jack and Annie--this time to save sea otters after a shark attack! Magic Tree House is the perfect series for kids ready to transition from leveled readers and picture books to longer novels! It’s bright and early when the magic tree house spins Jack and Annie to Monterey Bay, California. It’s their mission to collect sea urchins in the underwater kelp forests! But they know nothing about collecting sea urchins—can a grouchy boat captain help them? Maybe. But Jack and Annie have another problem when Annie finds a badly injured sea otter. They’re not supposed to help the otter. . . but it’s the right thing to do. Can they convince the grouchy boat captain to help them? Did you know that there''s a Magic Tree House book for every kid? Magic Tree House: Perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Graphic Novels: Relive the original adventures brought to life with art by Kelly & Nichole Matthews If you''re looking for Merlin Mission #40: Eve of the Emperor Penguin, it was renumbered as Merlin Mission #12 when the series was rebranded in 2017.

Peacocks for dinner and boys in skirts?

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! 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? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Vampire bats and killer ants? 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? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures