Learn all about snakes, reptiles who slide, slither, and even glide. Detailed graphics, diagrams and video images help us learn about ophidiophobia, endangered species of snakes, benefits of snakes, herpetology, varieties of snakes, snake venom, snake biology - cold blooded, snakes' scales, vertebrae, muscles, breathing and digestion; the life cycle of a snake; snake species of the world; and how snakes can save lives. Multiple-choice reviews at the end of each segment reinforce important concepts.