La Energía Solar (Solar Energy)

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Now in Spanish—Who makes sure my suitcase gets on the right plane? This book is full of fascinating facts about everything from Halloween to braille to fire trucks.

Se trata de un cuaderno fungible de 64 páginas dividido en las 10 Unidades de las que consta el libro del alumno. Las actividades que se proponen son muy variadas. En la guía se ofrece la solución de todas estas actividades.

Readers will love this exciting biography about the famous cowgirl, Annie Oakley! Through colorful images, helpful text, an accessible glossary and index, and timeline of Annie's life, readers will discover the amazing things that Annie could do with a gun, how she earned the nickname "Little Sure Shot", and how she became one of the stars of Buffalo Bill's Wild West Show! This book has been translated into Spanish.

Dentro de una atmósfera inquietante, una adolescente madura en torno a los días muertos del verano que pasaba en una vieka casona de familia.