Mary Pope Osborne

Jack and Annie are transported by their magic tree house to the time of the Civil War, where they meet Clara Barton.

Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash.

Jack and Annie travel back to nineteenth-century Ireland to inspire a young Augusta Gregory to share her love of Irish legends and folktales with the world.

Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy from a spell, Jack and Annie have adventures involving a tiger and other endangered jungle animals.

Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

Retells twelve tales from Greek mythology, including the stories of King Midas, Echo and Narcissus, the Golden Apples, and Cupid and Psyche.

"Jack and Annie search for the fourth secret of greatness for Merlin the Magician in Mexico City at the 1970 World Cup Games. They hope to learn something new from soccer player great, Pele"--

"A nonfiction companion to Magic Tree House #54: Balto of the Blue dawn."-- "...Jack and Annie track the facts about the Iditarod, open water swimming, the Ironman triathlon, free climbing, the X Games, and other ways people test their limits."--Amazon.com.

"Filled with up-to-date information, photographs, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discover in their favorite Magic Tree House adventures. And teachers can use Fact Trackers alongside their Magic Tree House fiction companions to meet Common Core text pairing needs."--Provided by publisher.