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					
				 
				
					
					MARY POPE OSBORNE is the author of the 
New York Times number one bestselling Magic Tree House series. She and her husband, writer Will Osborne (author of 
Magic Tree House: The Musical),  live in northwestern Connecticut with their three dogs. Ms. Osborne is  also the coauthor of the companion Magic Tree House Fact Trackers series  with Will, and with her sister, Natalie Pope Boyce.
 SAL MURDOCCA has illustrated more than 200 children's trade and text  books. He is also a librettist for children's opera, a video artist, an  avid runner, hiker, and bicyclist, and a teacher of children's  illustration at the Parsons School of Design. Sal lives and works in New  York with his wife, Nancy.