Las 7 maravillas del mundo antiguo

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.

Primavera del 67. América está en llamas, sacudida por disturbios raciales y por la protesta contra la guerra de Vietnam. En Nueva York, , varios músicos relacionados con la “new thing”, el jazz libre de Albert Ayler, Archie Shepp o Bill Dixon, apare- cen muertos en extrañas y violentas circunstancias. En los guetos del Black Power se habla de un asesino llamado El Hijo de Whiteman. ¿Existe realmente? Y, si es así, ¿actúa por su cuenta o es mero instrumento de un “establishment” asustado? Mientras, John Coltrane, guerrero y guardián de los espíritus en esa libérrima...

Take a trip to the Everglades as you practice addition! About one million people visit Everglades National Park every year to see the unique animals, reptiles, birds, and fish that call this unique place home. Students will practice addition within 100 while engaged in reading about the Everglades. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math concepts relevant and fun. Text features include a table of...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.