España, ayer y hoy + CD-ROM

PROSA COMPLETA del noble, político y escritor español Francisco Gómez de Quevedo. Notas e introducción J. B. Bergua. Las obras satíricas y festivas en un solo tomo. Francisco Gómez de Quevedo y Santibáñez Villegas (Madrid, 17 de septiembre de 1580 Villanueva de los Infantes, Ciudad Real, 8 de septiembre de 1645) fue un noble, político y escritor español del Siglo de Oro, uno de los más destacados de la Historia de España.

Bridges are a big part of how people get from place to place. But how do they work and how are they built? In this engaging text, readers will explore these important engineering marvels that link places divided by water. Along the way they’ll learn how to build their own model bridge with a step-by-step guide accompanied by full-color photographs of each step. Accessible text illuminates the science behind every span we drive over—and sometimes under!

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

A land of extremes, from active volcanic peaks to dense rain forests, Guatemala has sustained great civilizations and attracted foreign conquerors. While shadows of its vicious, decades-long civil war still linger, Guatemala's people work toward peace and stability in the face of corruption and impunity. Illuminating photographs, insightful facts, and informative sidebars help the reader discover what it's like to live in today's Guatemala, its ancient beginnings, dramatic landscape, rich culture, resilient people, and more.