Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us.

Margaret Mead y Gregory Bateson fueron leyendas en vida. Muchos autores escribieron sobre estos célebres antropólogos cuya influencia aún se percibe en el mundo entero, pero nadie alcanzó la profundidad ni la familiaridad que revelan estas memorias escritas con amor por su hija. Este retrato profundamente humano de Margaret Mead y Gregory Bateson, permite ver desde una perspectiva nueva sus extraordinarios descubrimientos y teorías.

Readers will have fun learning about basic external body parts in this colorful series that helps them recognize and compare human parts and various animal parts. Each book in this series focuses on one part, explaining what it is, what it is used for, and how it looks on a variety of animals.