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25th Anniversary

Listen in as Mary Pope Osborne talks about her bestselling Magic Tree House series – and the extraordinary worlds it has opened up for readers around the globe.

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Night of the Ninth Dragon (Magic Tree House Merlin Mission Series #27 )
Night of the Ninth Dragon (Magic Tree House Merlin Mission Series #27 )

by Mary Pope Osborne

The magic tree house has returned! Jack and Annie travel to Camelot to learn about King Arthur, Merlin, and the Knights of the Round Table. Find out what happens in the next Magic Tree House adventure.

Magic Tree House Merlin Mission Series

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Christmas in Camelot (Magic Tree House Merlin Mission Series #1) Read an excerpt of this book!
Soccer on Sunday (Magic Tree House Merlin Mission Series #24) Read an excerpt of this book!
Haunted Castle on Hallow's Eve (Magic Tree House Merlin Mission Series #2) Read an excerpt of this book!
Winter of the Ice Wizard (Magic Tree House Merlin Mission Series #4) Read an excerpt of this book!
Summer of the Sea Serpent (Magic Tree House Merlin Mission Series #3) Read an excerpt of this book!
A Perfect Time for Pandas (Magic Tree House Merlin Mission Series #20) Read an excerpt of this book!
Shadow of the Shark (Magic Tree House Merlin Mission Series #25) Read an excerpt of this book!
Dragon of the Red Dawn (Magic Tree House Merlin Mission Series #9) Read an excerpt of this book!
High Time for Heroes (Magic Tree House Merlin Mission Series #23) Read an excerpt of this book!
Night of the Ninth Dragon (Magic Tree House Merlin Mission Series #27 ) Read an excerpt of this book!
Hurry Up, Houdini! (Magic Tree House Merlin Mission Series #22) Read an excerpt of this book!
Season of the Sandstorms (Magic Tree House Merlin Mission Series #6) Read an excerpt of this book!
Carnival at Candlelight (Magic Tree House Merlin Mission Series #5) Read an excerpt of this book!
Blizzard of the Blue Moon (Magic Tree House Merlin Mission Series #8) Read an excerpt of this book!
Dark Day in the Deep Sea (Magic Tree House Merlin Mission Series #11) Read an excerpt of this book!

Chapter Books

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Thanksgiving on Thursday (Magic Tree House Series #27) Read an excerpt of this book!
Christmas in Camelot (Magic Tree House Merlin Mission Series #1) Read an excerpt of this book!
Dinosaurs Before Dark (Magic Tree House Series #1) Read an excerpt of this book!
Magic Tree House Boxed Set: Books 1 - 4 (Magic Tree House Series) Read an excerpt of this book!
A Big Day for Baseball (Magic Tree House Series #29) Read an excerpt of this book!
Midnight on the Moon (Magic Tree House Series #8) Read an excerpt of this book!
Soccer on Sunday (Magic Tree House Merlin Mission Series #24) Read an excerpt of this book!
Night of the Ninjas (Magic Tree House Series #5) Read an excerpt of this book!
Afternoon on the Amazon (Magic Tree House Series #6) Read an excerpt of this book!
Mummies in the Morning (Magic Tree House Series #3) Read an excerpt of this book!
Dolphins at Daybreak (Magic Tree House Series #9) Read an excerpt of this book!
The Knight at Dawn (Magic Tree House Series #2) Read an excerpt of this book!
Vacation under the Volcano (Magic Tree House Series #13) Read an excerpt of this book!
Sunset of the Sabertooth (Magic Tree House Series #7) Read an excerpt of this book!
Pirates Past Noon (Magic Tree House Series #4) Read an excerpt of this book!

Fact Trackers

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Magic Tree House Fact Tracker #1: Dinosaurs: A Nonfiction Companion to Magic Tree House #1: Dinosaurs Before Dark Read an excerpt of this book!
Magic Tree House Fact Tracker #37: Baseball: A Nonfiction Companion to Magic Tree House #29: A Big Day for Baseball Read an excerpt of this book!
World War II: A Nonfiction Companion to Magic Tree House Super Edition #1: World at War, 1944
Magic Tree House Fact Tracker #34: Dogsledding and Extreme Sports: A nonfiction companion to Magic Tree House Merlin Mission Series #26: Balto of the Blue Dawn Read an excerpt of this book!
Magic Tree House Fact Tracker #3: Mummies and Pyramids: A Nonfiction Companion to Magic Tree House #3: Mummies in the Morning Read an excerpt of this book!
Magic Tree House Fact Tracker #11: American Revolution: A Nonfiction Companion to Magic Tree House #22: Revolutionary War on Wednesday Read an excerpt of this book!
Magic Tree House Fact Tracker #10: Ancient Greece and the Olympics: A Nonfiction Companion to Magic Tree House #16: Hour of the Olympics Read an excerpt of this book!
Magic Tree House Fact Tracker #9: Dolphins and Sharks: A Nonfiction Companion to Magic Tree House #9: Dolphins at Daybreak Read an excerpt of this book!
Magic Tree House Fact Tracker #6: Space: A Nonfiction Companion to Magic Tree House #8: Midnight on the Moon Read an excerpt of this book!
Magic Tree House Fact Tracker #24: Dog Heroes: A Nonfiction Companion to Magic Tree House Merlin Mission Series #18: Dogs in the Dead of Night Read an excerpt of this book!
Magic Tree House Fact Tracker #5: Rain Forests: A Nonfiction Companion to Magic Tree House #6: Afternoon on the Amazon Read an excerpt of this book!
Magic Tree House Fact Tracker #8: Twisters and Other Terrible Storms: A Nonfiction Companion to Magic Tree House #23: Twister on Tuesday Read an excerpt of this book!
Magic Tree House Fact Tracker #7: Titanic: A Nonfiction Companion to Magic Tree House #17: Tonight on the Titanic Read an excerpt of this book!
Magic Tree House Fact Tracker #13: Pilgrims: A Nonfiction Companion to Magic Tree House #27: Thanksgiving on Thursday Read an excerpt of this book!
Magic Tree House Fact Tracker #4: Pirates: A Nonfiction Companion to Magic Tree House #4: Pirates Past Noon Read an excerpt of this book!

Boxed Sets

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Magic Tree House Boxed Set: Books 1 - 4 (Magic Tree House Series) Read an excerpt of this book!
Magic Tree House Collection: Books 5-8 (Magic Tree House Series)
Magic Tree House The Mystery of the Ancient Riddles Boxed Set #3: Book 9 - 12 (Magic Treehouse Series)
Magic Tree House Collection: Books 13-16 (Magic Tree House)
Magic Tree House Volumes 17-20 Boxed Set: The Mystery of the Enchanted Dog
Magic Tree House Volumes 21-24 Boxed Set: American History Quartet
Magic Tree House Boxed Set: Books 1-28