No te gustaría ser un soldado romano de la Muralla de Adriano!

The Bill of Rights is one of the most important parts of the United States Constitution. Understanding this document is a vital part of understanding the rights we have as American citizens. This informative volume delves into each amendment of the Bill of Rights and looks at the important people and political decisions behind them. Graphic organizers, charts, and primary source documents supplement this already richly informational resource.

El nuevo libro de 'Preparación al DELE B1' está completamente adaptado a las nuevas pruebas del Instituto Cervantes. Este libro permite a los alumnos prepararse para el Diploma de Español, Nivel Inicial, B1. Incluye un CD audio con acentos hispanos. Presenta ocho modelos de exámenes completos, similares a los reales. Al final del libro se ofrecen unas pautas para los exámenes en las que el alumno encontrará muchos consejos útiles para enfrentarse a las pruebas con éxito.

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.

Mundo insecto será la guía para enseñarte que a esos animales los necesitamos para sobrevivir. Y la razón es simple: son el principal medio de polinización. Además, este libro trae una completa clasificación de esos pequeños seres.