A countdown of five of the most captivating giant beaver fossil discoveries and relatives provides thrills as readers discover more about the biological, social, and hunting characteristics of these Ice Age creatures.

Count down the five most fascinating fossil finds this X-Book about giant beavers! Kids learn about this Ice Age animal's biological and social features and how it went extinct. Xciting facts and xtraordinary pictures bring history back to life with bite-sized text portions that are perfect for reluctant readers. Includes plentiful sidebars and a graphical design to captivate visual learners along with nonfiction features like a table of contents, index, glossary, and xtra resources.