Books 21-24 of the "New York Times" bestselling Magic Tree House series boxed together for the first time
These four titles are the perfect gift for a Magic Tree House fan or any child who loves a good adventure. Parents, teachers, and librarians hail the chapter-book series as a tool to promote reading, as even the most reluctant readers want to know where the magic tree house will take the brother-and-sister team next.
In books 21-24, Morgan le Fay, the magical librarian, reveals that Camelot is in trouble She asks Jack and Annie to find four different kinds of writing that will help. Their quest leads them to the American Revolution, the American Civil War, the stormy Great Plains, and the great San Francisco earthquake. It's a difficult and dangerous mission, but Jack and Annie will do anything to save Camelot
Books in this set include: "Civil War on Sunday" (#21), "Revolutionary War on Wednesday" (#22), "Twister on Tuesday" (#23), and "Earthquake in the Early Morning" (#24).
Don't miss all the fun things you can do and discover at MagicTreeHouse.com

MORGAN, THE MAGICAL librarian of Camelot, sends Jack and Annie to find lost stories in the ancient worlds of Roman Pompeii, imperial China, Dark Age Ireland, and classical Greece. Will the books help them in their darkest hours? This boxed set includes four exciting Magic Tree House adventures: #13: "Vacation Under the Volcano, "#14: "Day of the Dragon King, "#15: "Viking Ships at Sunrise, "and #16: "Hour of the Olympics, "as well as a Magic Tree House poster.

Illus. in black-and-white. "With an entertaining blend of fact, farce, and fantasy, Osborne tells the story of Jack and his sister, Annie, who take a trip in a magic tree house and land in a time 65 million years ago. They find dinosaurs and volcanoes and adventure. Veteran storyteller Osborne builds the power of reading into the story: it's the books in the tree house that give the kids the magic to travel and see far, far away."--Booklist.

Illus. in black-and-white. 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? Will they find out the identity of the mysterious M? Or will they walk the plank?  

The best activity book for kids who love the Magic Tree House series!
Travel through time and around the world with Jack and Annie to help them solve mazes and crossword puzzles, break secret codes, play games, draw pictures, and more! They've seen the age of the dinosaurs and the high-tech future; they've visited freezing Antarctica and scorching deserts--and now Jack and Annie need "your" help with five activities from every Magic Tree House adventure, from Magic Tree House #1: "Dinosaurs Before Dark" to Magic Tree House #44: "A Ghost Tale for Christmas Time." Over 200 activities included! So many activities . . . so much fun!
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www.magictreehouse.com

Illus. in black-and-white. Jack and Annie travel back in time to medieval England for an adventure inside a storybook castle, from feasting hall to dreadful dungeon.  

Jack and Annie are off on another adventure! This time they are sent to ancient Greece, where a very important event is taking place. Join them as they race against time and witness the very first Olympic games!  

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!

"Take the plunge with Jack and Annie!
"Jack and Annie continue their quest for the secrets of happiness--secrets they need if they're going to save Merlin. But when the Magic Tree House leads them to a tiny deserted island in the middle of the ocean, they're not sure who needs help more--Merlin or themselves! The brother and sister team are soon rescued by a ship of explorers and scientists. But that isn't the end of their troubles, because the crew isn't looking for the secrets of happiness. The crew is looking for . . . a sea monster!
Mary Pope Osborne takes young readers back to the mid-nineteenth century, a time of exploration and adventure. This paperback edition contains all-new backmatter full of activities, and the first printing includes temporary tattoos.

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 Magic Tree House transportss Jack and Annie to the freezing Arctic. There, they must solve the final riddle to become master librarians. But it's not going to be easy--especially when they have cracking ice, a seal hunter, and a prodigious polar bear to deal with. Will they be able to solve the riddle before they get iced themselves?  

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!

Please come to Camelot. The magic tree house whisks Jack and Annie through space and time to find that the castle of Camelot has been attacked and King Arthur has been gravely wounded. To save the kingdom--and the king--Jack and Annie have only one day to solve a riddle that will help them find a missing dragon!

Formerly numbered as Magic Tree House #55, the title of this book is now Magic Tree House Merlin Mission #27: Night of the Ninth Dragon. 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

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.  

The Magic Tree House whisks Jack and Annie away to the decks of that ill-fated ship, the Titanic. There they must help two children find their way to a lifeboat--all while they are in danger of becoming victims of that tragic night themselves.

Merlin sends Jack and Annie on a mysterious mission to Paris, France, over a hundred years ago. There they must find four magicians and give them an urgent message from Merlin himself. When Jack and Annie land in Paris, they make their way to the 1889 World's Fair. Below the Eiffel Tower, built especially for the fair, there are thousands of exhibits from all over the world. But how will Jack and Annie find the magicians in the crowds of people? And who are the magicians anyway? Jack and Annie are about to find out in another adventure filled with history, magic, and amazing surprises!
In "Night of the New Magicians," Mary Pope Osborne brings to life an amazing time in history that gave birth to many startling inventions and scientific discoveries that would change the world forever.
The paperback edition boasts all-new backmatter full of activities!

"Take the plunge with Jack and Annie!
"Jack and Annie continue their quest for the secrets of happiness--secrets they need if they're going to save Merlin. But when the Magic Tree House leads them to a tiny deserted island in the middle of the ocean, they're not sure who needs help more--Merlin or themselves! The brother and sister team are soon rescued by a ship of explorers and scientists. But that isn't the end of their troubles, because the crew isn't looking for the secrets of happiness. The crew is looking for . . . a sea monster!
Mary Pope Osborne takes young readers back to the mid-nineteenth century, a time of exploration and adventure. This paperback edition contains all-new backmatter full of activities, and the first printing includes temporary tattoos.

The bestselling, fan-favorite chapter-book series celebrates Halloween with this scarily affordable paperback
Jack and Annie have traveled all over the world in their magic tree house. But they've never been anywhere like this. In the distance, a haunted castle looms dark against the light of the moon. No candles burn in its windows. No laughter rings through its halls.
What has happened to the castle and the people who lived there? Merlin the magician asks Jack and Annie to find out. But are they brave enough to brush the cobwebs aside and step through the creaking doors? And are they smart enough to solve the mystery of how the castle became haunted?
Find out in a story packed to the margins with magic, history, and adventure
First published in hardcover in 2003, Jack and Annie's spooky Halloween adventure is finally available in paperback. And--only in the paperback edition--the book now includes a creepy Halloween recipe, a fun puzzle, and a preview of the next book in the series
Magic Tree House books are "New York Times" bestsellers. They are known all around the world as books that inspire reading. Find out why with "Haunted Castle on Hallows Eve
"And don't forget to visit www.magictreehouse.com.

The Magic Tree House whisks Jack and Annie back to Colonial America. They arrive just as General george Washington is planning the crossing of the Delaware. Before they know it, Jack and Annie are in a boat with the Father of Our Country as history is made!

The bestselling, fan-favorite chapter-book series sends Jack and Annie to Ireland--the land of leprechauns!
Jack and Annie are whisked back to long-ago Ireland. Their mission? To inspire a girl named Augusta to share her creativity with the world. But when they meet Augusta, Jack and Annie don't see how they can inspire her at all--she is the least imaginative person they've ever met! Luckily, Jack and Annie have a special whistle that they can use to show Augusta a magical world. But their plan backfires! Can Jack and Annie rescue their new friend? Or will Augusta be lost forever?
Magic Tree House books are "New York Times" bestsellers. The series' irresistible mix of magic, myth, history, and mystery has inspired a love of reading in countless children all over the world. Find out why with "Leprechaun in Late Winter!
"Visit MagicTreeHouse.com.

Illustrated in black-and-white. Jack and Annie are whisked forty years forward in time and land at an international space station on the moon. There they don space suits and go exploring the lunar surface in search of the fourth object needed to free the enchantress Morgan le Fay from a powerful spell.  

Jack and Annie are whisked all the way back to the Ice Age in this compelling Magic Tree House time-travel adventure where they meet woolly mammoths, cave people...and fierce sabertooth tigers!  

MERLIN HAS ASKED Jack and Annie to help on another Merlin Mission. This time they head back into history to Venice, Italy. With the help of a research book, a book of magic rhymes, and a set of mysterious instructions from Merlin, the heroes will save the beautiful city from a flood! Here's another Magic Tree House book that will engage kids with history, magic, and nonstop action from beginning to end.

"From the Hardcover edition."