Answers hundreds of questions on the most interesting of topics—planet Earth! It’s right under our feet every day—Earth and all its glorious components. F

Contains over one hundred photographs and illustrations that answer nearly one thousand questions about the science of geology and provides information on such

Featuring more than 600 questions about dinosaurs—such as What dinosaurs are thought to have evolved into birds? Did dinosaurs travel in herds? and Where and

An informative, accessible, easy-to-use guide to physics, covering the fundamental concepts and amazing discoveries that govern our universe! We don’t need a