Se Tu la Diferencia

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

Jonnhy vuelve de la guerra. En su pueblo todo el mundo le recibe como a un héroe. pero un día, Jonnhy reúne a todos para contarles su experiencia en el campo de batalla. La guerra no es un espectáculo que echan por la tele. Los "malos" o los "buenos" son conceptos relativas y en realidad, todo el mundo tocado por la guerra, es una víctima.

For Barack Obama, becoming president of the United States brought big changesfor him, his family, and the country. Every day he faces important meetings, tough decisions, and the opportunity to meet new people. But he still finds time to invite friends over for a movie and walk Bo, the White House Dog, with his daughters, Sasha and Malia. How does he do it all? Follow the President through his day and find out what it's like to be Barack Obama. Para Barack Obama, convertirse en presidente de Estados Unidos fue un gran cambio, tanto para l, como para su familia y para el pas. Todos los das...

Para arriba y para abajo, hacia el frente y hacia atr‡s, para los lados o alrededor. Descubre c—mo se mueven las cosas y quŽ hace que paren en este libro sobre el movimiento.