Crocodiles and alligators may seem ferocious and scary, but renowned science author Seymour Simon confirms that they're also endlessly fascinating. Around since the time of dinosaurs, crocodiles and alligators eat without chewing, have three eyelids, and provide good living conditions for other animals. With the use of eighteen stunning full-color photographs, Simon explores the wonders of these stealthy giants in an exciting up-close and personal way.