Discoverer Enterprise

Many children have heard of dams, but not many know what they are. This book engages young readers as it reveals the many fascinating aspects of the worlds largest dam, which was built on the border of Paraguay and Brazil.

Este libro consta de diez unidades didácticas, cada una de las cuales se estructura de la siguiente manera: - Doble página de apertura - Desarrollo de contenidos - Dossier - Síntesis - Actividades complementarias. El contenido está especialmente adaptado para la Comunidad Autónoma de Andalucía.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Simple text and photographs introduce the concept of symmetry as displayed by familiar creatures and objects.

DISCOVER WHO LIVED IN CASTLES, WHAT THEY ATE, WHERE THEY SLEPT AND WHAT THEY DID FOR FUN. PHOTOGRAPHS COMBINED WITH COMPUTER GRAPHICS TAKE YOU INSIDE THE WORLD OF CASTLES AS NEVER BEFORE.