Los parques naturales de Texas (Natural Parks of Texas)

Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats like the Titanic, the Hindenburg, the Hoover Dam, and more in this engaging nonfiction title that has been translated into Spanish. This title features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

Descubre todos los secretos de los jeroglíficos. ¡Te sentirás como en el antiguo Egipto! La escritura jeroglífica egipcia es uno de los sistemas de escritura más bellos, fascinantes y expresivos que se han inventado nunca. En el Antiguo Egipto sólo un selecto y reducido número de personas sabía leer y escribir jeroglíficos, pero ahora tú también puedes reconocer y escribir una selección de nombres, títulos, descripciones, refranes, saludos ¡e incluso insultos! La escritura jeroglífica es muy diferente a la escritura que nosotros conocemos, los signos expresan emociones,...

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

Provides over 1,000 entries for terms in English and their Spanish equivalents, with sentences in both languages to show proper usage.