Download or read book Zack Files 25: Trapped in the Museum of Unnatural History written by Dan Greenburg and published by Penguin. This book was released on 2002-02-18 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: It seems like a regular field trip to a natural history museum—until Zack gets locked inside for the night and discovers what really goes on in those display cases when no one is watching. A tribe of curious Neanderthals, rampaging woolly mammoths, prehistoric food shortages . . . it’s just another wild adventure for Zack!