100 things you should know about Mammals is a thrilling journey of discover through a fascinating animals world. Children can read all about whales, the largest animals that have ever lived, and tiny bats that are smaller than your finder. Exactly 100 numbered facts and detailed artwork draw the reader irresistibly from cover to cover while fun facts and fantastic cartoons throughout the book add an extra element of fun. To engage eager young minds there are quizzes, puzzles and activities, such as how to make a food chain, drawing posters, and comparing the speed of the fastest mammals alive!