Twister on Tuesday (Magic Tree House, No 23) Paperback – January 1, 2001 by Mary Pope Osborne
 
Twister on Tuesday is a thrilling adventure by Mary Pope Osborne and part of the Magic Tree House series. In this story, Jack and Annie are sent on a mission to the American Southwest, where they must brave a tornado, a stampeding buffalo herd and a raging river to find the mysterious secret of the twister. Along the way, they learn about Native American cultures and the Old West.
 
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