Twister on Tuesday (Magic Tree House, No. 23)
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, followingCivil 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