Mammals run, leap, and climb all over. Around some of them, you need to use caution. Others are harmless or even helpful. Do you know which is which? In this book, you'll explore the animal kingdom and find out which of these mammals are dangerous...or not! The facts may surprise you! The books in this series will take you on a journey with some of the most exciting animals in the animal kingdom. Do you know which are dangerous and which just have a bad reputation? Learn about which and how animals can pose a threat to you in this engaging high-interest, lower-reading-level series. Each book features glossary words that are defined on the page where they appear, boosting reader comprehension.