Animales En Peligro de Extincion

Al Centro de Información y Documentación del Museo de Culturas Populares acudían personas de todas las edades -desde estudiantes de primaria a estudiantes de universidades- a fin de obtener datos acerca de la Navidad, Día de Muertos y Semana Santa, entre mucho más. La información existente no era mucha o incompleta y disgregada, lo que dificultaba la tarea de los estudiantes. Por lo tanto, me di cuenta de la necesidad de elaborar un libro que reuniera los orígenes y la simbología de las principales y más genralizadas fiestas tradicionales de nuestro país. Entonces puse manos a la...

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

★“Fascinating...An appealing resource sure to spark an interest in biomimicry, from casual readers to budding scientists. Recommended for all libraries.”—School Library Journal, starred review Did you know that lamps can be powered by glowing bacteria instead of electricity? That gloves designed like gecko feet let people climb straight up glass walls? Or that kids are finding ways to make compostable plastic out of banana peels? Biomimicry, the scientific term for when we learn from and copy nature, is a revolutionary way to look to nature for answers to environmental problems such...