Count down the five most fascinating fossil finds this X-Book about mammoths! Kids learn about this Ice Age animal's biological and social features and how it went extinct. X-citing facts and x-traordinary 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 x-tra resources.