La Vida de Jesus Contado a Los Ninos

¿Dónde se encuentra la vesícula biliar? ¿Cuánto mide el intestino? ¿Se dice úvula o paladar blando? ¿Qué hay dentro de la bóveda craneal? ¿Cómo está hecho un globo ocular? ¿Y para qué sirven los alvéolos? Entre células, órganos, aparatos y tejidos, un viaje al cuerpo humano, con el corazón y con el cerebro, contado con rigor científico y alegría narrativa. De la cabeza a los pies, con todo lo que se encuentra entre medias.

Illustrations and text present the history, geography, people, politics and government, economy, and social life and customs of Arizona, the Grand Canyon State.

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...