Discover Great National Parks: Yellowstone is an excellent non-fiction book for young learners. It features information about boiling hot springs, spouting geysers, and bubbling mud volcanoes. Also included is information on the bountiful wildlife--like grizzly bears, bluebirds, bison, bull elk, and beavers Readers will learn about the Junior Rangers, prehistoric Yellowstone, additional national parks nearby, the dangers of pollution within...