"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

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

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

Publisher Description

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