Developing readers hop into the world of amazing amphibians with FABULOUS FROGS. How do frogs' bodies work? How do frogs behave, and why are they so important to our global ecosystem? All of these questions and more will be answered for budding herpetologists. A companion digital book poses evidence-based questions through mapping and charting interactive features, videos, quizzes, vocabulary "slams," and "Serious-or-silly?" writing activities.