El Avestruz

This book introduces you to giraffes, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

These titles look at many of the animals typically found in zoos, covering such topics as appearance, behavior, and babies. Vivid photographs compare the habitat and diet of each animal, both in the wild and the zoo.

This title in the Que esta Despierto? (What's Awake?) series explores the behavior of this backyard nocturnal animal. Photographs enhance the text which explains why the animal is out at night and what it does in the day. (Text in Spanish.).

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of moneys history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

Alguien está dando muerte a los Cazadores de Sombras del círculo de Valentine, y esas muertes enemistan de nuevo a los Cazadores de Sombras con los subterráneos. Sólo Simon, ahora convertido en vampiro, podrá evitar el enfrentamiento. Mientras, Clary y Jace descubrirán un misterio que les llevará a fortalecer su relación o... a destruirla para siempre.

Spanish edition of the popular Team Spirit series featuring the history, accomplishments, and key personalities of the Chicago White Sox baseball team.

Una reflexión teórico práctica sobre el papel que juegan la Historia de la Ciencia y la Filosofía de la Ciencia, en la enseñanza y aprendizaje de las Ciencias. El autor sostiene que hasta ahora ha predominado en la enseñanza, la adquisición de conocimientos y propone introducir el contexto de descubrimiento como un factor sumamente eficaz el aprendizaje de las ciencias.