Covers everything from earth sciences to astronomy; from climate and habitats to human arts and cultures; from ancient history to cutting-edge technology; and d

"This book explains the science behind all the machines, gadgets, systems, and processes we take for granted. The perfect book for techies--young or old, male o

Explore Our World is a light and lively primary series in American English. It focuses on listening, speaking, and pronunciation activities, supported by fun an

Publisher Description

Illustrations and maps introduce the geography, culture, and brief facts of each continent, and suggests activities to explore geography in depth.