Every volume of Science Comics offers a complete introduction to a particular topic--dinosaurs, the solar system, volcanoes, bats, robots, and more. Whether you're a fourth grader doing a natural science unit at school or a thirty-year-old with a secret passion for airplanes, these books are for you!With their signature sounds, athletic tongues, and bulging eyes, there's a lot to love about frogs! But did you know that they soak up air and even liquid through their skin? Or that they use their eyes to swallow food? From tiny tadpoles in water to boisterous bullfrogs on land, the life cycle of these amphibious acrobats is one of the coolest examples of metamorphosis around. So pull up a lily pad and dive in, because the frog facts in this book will truly give you something to croak about!