Obedecer las reglas

La hibernación es un ciclo que algunos animales hacen cada año. La mayoría de la gente sabe que los osos hibernan. ¿Pero por qué hibernan? ¿Y qué otros animales hibernan? Hibernation is a cycle that some animals go through every year. Most people know that bears hibernate. But why do they hibernate? And what other animals hibernate?

David Cordingly es licenciado en Historia por la Universidad de Oxford y doctor por la Universidad de Sussex. Trabajó durante doce años en el Museo Marítimo Nacional de Londres, del que fue conservador y director de exposiciones. Es una autoridad en historia marítima y ha publicado diversos libros sobre pintura naval inglesa y holandesa y sobre historia de la piratería, entre los que destacan Maritime painting in England, 1700-1900 (1974), Nicholas Pocock, maritime artist (1986), Captain James Cook, navigator (1994), Pirates: an illustrated history (1996), Ships and Seascapes: an...

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman.

Aimed at young children, this series teaches the basics of healthy eating, hygiene, caring for your body, and sexuality. The humorous illustrations capture the reader's attention, getting across the point that is expressed in the simple but informative texts. Children will learn about the dangers of drug abuse, the importance of exercise, how to fight germs, where babies come from, and much more. Text copyright 2004 Lectorum Publications, Inc.

A grammar reference and activity book, this text provides explanations and practice of spanish grammar for both foundation and higher levels. There are exercises and examples, as well as suggestions for open-ended communicative activities.