Quien Fue Amelia Earhart?

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Adaptación para el público infantil y juvenil de la novela escrita por Juan Ramón Jiménez. La adpatación corre a cargo de María Jesús Chacón que ya adaptó la obra El lazarillo de Tormes. Juan Ramón Jiménez, se inspira en la vida de su pueblo, Moguer; su personaje es Platero un burrito que lo acompaña en sus numerosas anécdotas, llenas de poesía. Nota: este libro es gratuito. Si al descargarlo se solicitase una tarjeta de crédito, pulsar en el botón "descargar muestra", ya que se descargará el libro completo.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...