Cosmos en 3D

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

Explains the basics of the most powerful machines around town and describes their major parts and functions, featuring dynamic photographs that will make little ones feel as though they are in the driver's seat.

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

Extraordinario documento histórico. Un diario de viaje sobre la primera circunnavegación de la Tierra en 1522, realizada por Fernando de Magallanes y Juan Sebastián Elcano. Adaptación realizada para lectores a partir de 13 años. Esta adaptación sigue el texto original, pero no es un resumen ni una mera ¡ transcripción modernizada. Reduce pasajes o informaciones irrelevantes que harían premiosa la lectura. La mayor intervención afecta a la sintaxis. La hechura y la extensión de la frase original se aligeran para facilitar la lectura fluida. Los diálogos indirectos pasan a ser...

This Spanish language edition of Yuyi Morales's Pura Belpré Award winner and New York Times Bestseller Dreamers is now available in paperback! Caldecott Honor artist and six-time Pura Belpré winner Yuyi Morales's gorgeous book Dreamers, and its Spanish language version Soñadores, are about making a home in a new place. Yuyi and her son Kelly's passage was not easy, and Yuyi did not speak any English at the time. But together, they found an unexpected, unbelievable place: the public library. There, book by book, they untangled the language of this strange new land, and learned to make their ...