Nuestro medio ambiente en constante cambio (Our Ever-Changing Environment)

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.

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.

«Conviene que se vaya diciendo», anotaba José-Carlos Mainer hace unos años, y lo reitera ahora en el prólogo a esta edición: «Todos coinciden en que García Montero es un poeta tocado por la rara gracia del talento expresivo y la todavía menos frecuente del talento emocional. Pero hay que añadir que, en una época poética muy poblada de nombres, es uno de los pocos destinados a la letra grande de la historia de la literatura.» Luis García Montero reúne en este volumen veinticinco años de poeta. Ordenados y en edición definitiva, figuran en esta Poesía (1980-2005) sus ocho...

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Las obras de Arte Antiguo de los grandes museos del mundo tienen una historia que se cuenta y otra que se oculta. Sharon Waxman ha investigado esta última: la historia de cómo fueron saqueadas de sus países de origen. Una historia turbia de expolio, sobornos, tráfico, subastas y, en numerosas ocasiones, daño o destrucción. La autora realiza un apasionante recorrido tanto por los principales museos occidentales (el Louvre, el British Museum, el Metropolitan de Nueva York...), como por los lugares de procedencia de las antigüedades (Egipto, Turquía, Grecia, Italia...), evocando los...