Últimas tendencias en investigación en antropometría aplicada

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...

Pets! We love them, and we take good care of them. Learn all about what Fish need to be happy and healthy pets. ¡Las mascotas! Las amamos y las cuidamos mucho. Aprende todo sobre qué necesitan los Peces para estar felices y ser mascotas saludables.

La Geología es una ciencia sumamente atractiva ya que abarca cuestiones trascendentales relacionadas con nuestro planeta: su origen, su formación, la vida en tiempos pasados y los procesos actuales de evolución, en la que los seres humanos intervenimos de manera activa. En este volumen se analiza, además de su origen y formación, la estructura de la Tierra, la composición de la atmósfera, la deriva de los continentes, los volcanes, la formación del relieve, los glaciares, el mar, el ciclo geológico y los mapas.

HIGH-INTEREST, LOW-LEVEL: Reluctant readers will be engaged from beginning to end as they explore the responsibilities and skills of the pitcher in this 32-page nonfiction book. Side-by-side English and Spanish text and vivid, exciting photos show readers what it takes to fill this key position in baseball and softball. SPORTS BOOK FOR KIDS: Pitchers are team leaders. They train hard and must be smart with their throws. Just one pitch could win or lose the game! This book explores the pitcher position in baseball and softball and what makes a good pitcher great. INCLUDES: Readers will be...