Estruendoso silencio

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

El libro ofrece un material para aprender español de forma novedosa, utilizando los planteamientos recogidos en el Marco común de referencia y en los Niveles de referencia para el español, que permiten ayudar al alumno a conocer, comprender y utilizar el español de forma práctica. Está constituido por seis módulos. Cada módulo está formado por los cuatro ámbitos de uso de la lengua (Ámbito personal, Ámbito público, Ámbito profesional y Ámbito académico) para poder utilizar la lengua de una manera más adecuada a cada situación. Propone un aprendizaje activo, dinámico y...

Terremotos y tsunamis is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Destined to become an etiquette bible for girls everywhere, this comprehensive and humorous reference provides a wealth of tips and tricks for how to act, feel, and look one’s best in every situation—whether at school, at home, with friends, or with romantic interests. This is an essential manual that proves that proper etiquette goes beyond just “please” and “thank you.” Destinada a convertirse en una biblia de etiqueta para niñas en todas partes, esta referencia comprensiva y humorística provee un buen número de consejos y trucos para cómo actuar, lucir y sentirse mejor en...