El eco del silencio

El maravilloso libro sobre la vida, el universo y casi todo lo demás. Con ilustraciones a todo color y repleto de dinosaurios, terremotos, átomos y muchas cosas más, este libro es una adaptación del best seller mundial Una breve historia de casi todo, de Bill Bryson. Alguna vez te has preguntado... ¿Qué les pasó a los dinosaurios? ¿Cómo de grande es el universo? ¿Cuánto pesa la Tierra? ¿Por qué los océanos son salados? ¿Sabías que cada uno de los átomos que forma tu organismo seguramente que, antes de formar parte de ti, ha pasado por varias estrellas y formado parte de...

Get On A Covered Wagon And Explore Everything About Pioneers With This Book. From What They Ate, Wore, Who They Encountered And Where They Traveled. Text Boxes Filled With Pioneer Facts Add Additional Information On The Pioneers Difficult Journeys To Unknown Lands.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Looks at the life of Betsy Ross from her Quaker childhood to her days as an independent businesswoman. Also examines the legend of the Betsy Ross flag. Written in graphic-novel format.