Book excerpt: A bear and a frog attempt to answer the age-old question "How do books work?" in this clever, interactive picture book from animator Louie Zong. Test This Book! features a bear scientist and a frog scientist testing how books work in a variety of exciting, dramatic experiments. What happens when readers sit on their books? Shake them? Whisper secrets to them? The results are funny, surprising, and very, very informative. This hilarious picture book is a great read-aloud experience, as readers are rewarded for physically interacting with the book. And they also learn a little about the scientific method—the basis of all STEM education. An Imprint Book