Calentamiento global (Global Warming)

Teach students about trading and buying goods and services. In this Spanish-translated book, readers will learn about supply and demand, and learn the difference between wants and needs. Featuring images that support the informational text, students will build social studies content-area literacy and reading skills.

Introduce students to the structure of the United States government. With this nonfiction Spanish-translated resource, readers will learn about the three branches of government, and the purpose of this separation of powers. Primary source images and supporting text engage readers and help them better understand the content.

Sobre el suelo, por el agua o por los aires, Vehículos sobrevuela varias maneras de moverse. Sus hijos podrían también familiarizarse con los diferentes medios de propulsión en este libro muy animado. ¿Listo para mover? Las estampas interactivas de la colección Caja de cartas estimulan el desarrollo del vocabulario del niño mientras divertirse. Realizado en francés, en inglés y en español, son también una buena manera de iniciarse a otras idiomas, y permiten aprender la buena pronunciación de las palabras con la narración. Al final, encontraron preguntas, suplementos o juegos...

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of Treatise On Civil Government (1690), among others, and a glossary.

¿Por qué alguien tan inquieta como Aída puede permanecer sentada escuchando ópera? En El misterio de la ópera, sus amigos Pablo, Edu y Winnie lo comprenderán después de asistir a los ensayos de La flauta mágica en el Teatro de la Ópera, al que acudirán para resolver el misterioso caso de un anillo robado.