Programa integrado de pedagogía sexual en la escuela

Poems celebrating the life and work of Cesar Chavez and the Mexican American labor movement in the 20th century. This thoughtful and beautiful biography illuminates not only the events that made up the great labor leader's life, but also the ideals and inspiration that are his legacy.

A finales del porfiriato tuvo lugar un movimiento que despertó el interés del mundo entero, la Revolución mexicana. Parteaguas de los conflictos que más tarde recorrerían Latinoamérica, rápidamente se convirtió en uno de los momentos más apasionantes de la historia de México. Mediante un fino análisis -que da cuenta del carácter perdurable que ha convertido a Zapata y la Revolución mexicana en clásico para estudiar la Revolución-, John Womack nos ofrece un brillante relato en torno a una de las figuras más representativas de la Revolución, Emiliano Zapata. Líder de la...

In Bosques, carefully leveled text and vibrant, full-color photographs take beginning readers on a tour of a temperate forest. Readers learn about this important ecosystem and the variety of living things adapted to live there.

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...