Book Description In the third book of the American history cluster, Jack and Annie are whisked to a midwestern prairie in the 1870s. They visit a one-room schoolhouse and learn about the hard life of the pioneers. When they return to the magic tree house, Jack and Annie spot a twister on the horizon. Is there time to warn the teacher and the children back at the schoolhouse? Or should Jack and Annie just save themselves? Amazon.com In book 23 of the Magic Tree House, award-winning author Mary Pope Osborne's popular young adventure series, siblings Jack and Annie travel back to American pioneer times. Their task, assigned by mysterious Camelot librarian Morgan le Fay, is to find "something to learn." When their magic tree house alights on a Kansas prairie in the 1870s, Jack and Annie quickly find a one-room schoolhouse with classes in session. Something to learn! After an all-too-brief school day, the two return to the tree house with their mission completed. But wait: "In the distance, twisting black clouds had dropped out of the storm clouds. They swirled into a funnel shape." A twister! And the young teacher and students in the school don't realize there's a storm cellar under the floor. Jack and Annie must brave the howling winds to return and save their new friends. Osborne's insatiable devotees will devour her latest adventure story, following Civil War on Sunday, Revolutionary War on Wednesday, and all the other titles in this exciting series. What better way to learn about history than to travel through time and space, experiencing it firsthand? (Ages 6 to 9) --Emilie Coulter About Magic Tree House series Magic Tree House is a book series for young children by Mary Pope Osborne. The series features two children, the bookworm Jack and his adventurous and imaginative younger sister Annie, who travel to historical places using a magic tree house. The magic tree house belongs to Morgan Le Fay who, in the series, is King Arthur's sister and a librarian. She uses the magic tree house to gather books from time and space. Jack and Annie travel by opening a book, pointing at a picture of a place and then wishing that they could go there. The magic tree house then spins around and magically they arrive at the location. Book Dimension length: (cm)19.3 　　　 　　　　　 　　　　　 width:(cm)13.2