Michael Jackson:Music Legend

Introduces the holiday Cinco de Mayo and describes how it is celebrated in Mexico and in the United States.

Las relaciones que se establecen en un ecosistema entre organismos de especies diferentes resultan sorprendentes e ingeniosas. Estos contactos pueden suponer desde un beneficio mutuo hasta la muerte de una de ellas para servir de alimento a la otra. Estas relaciones, a veces peligrosas, son muy variadas y a menudo requieren mucha imaginación. Disponible en catalán, para comprarlo haz clic aquí.

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...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.