Racismo: Historia del peligroso mito de la raza

Victor Domínguez, vicerrector de la Universidad Madrileña de Educación a Distancia muere de forma violenta cerca del estadio. Todo parece indicar que el crimen está relacionado con su actividad profesional. Un asesino en el rectorado retrata con ironía y crudeza la vida universitaria en una España instalada en el inicio de la crisis económica.

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

An introduction to the night sky, describing major constellations and the planets of the solar system.

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...