Productores y consumidores (Producers and Consumers)

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

In this Spanish title, learn about what makes endangered jungle animals so unique and why they need to be protected.

This informative Spanish-translated book gives readers a look into the Constitution and the Bill of Rights. Readers will learn about the three branches of government--executive, legislative, and judicial--as well as the way each of those branches works to keep order and the various aspects including Congress, the Supreme Court, the House of Representatives and the Senate. Featuring detailed images, stunning facts, and supportive text, this book will have readers interested, engaged, and eager to learn more about the development of the Constitution. Other featured topics include the Federalist ...

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...

El autor de “El cementerio marino” se reconoce en la figura de Leonardo, más un Leonardo “posible” que un Leonardo “histórico”, no por ello menos real y riguroso, y sus análisis son precisa manifestación tanto del arte del pintor cuanto de la estética del propio Valéry

Los chitas son los felinos africanos que más rápido están desapareciendo. El texto lírico comparte los sueños de un futuro brillante mientras la atractiva información en las barras laterales proporciona una gran cantidad de información de historia natural. Desde sus patas con tacos parecidos a los de los zapatos atléticos a sus caras marcadas con “lágrimas”, estos majestuosos felinos está muy adaptados a la vida en la sabana africana. Feroces predadores, corren detrás de sus presas a altas velocidades, ¡una carrera exhaustiva que los deja listos para dormir un rato!