La Energía Solar (Solar Energy)

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

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

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.

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

Charles Taylor es probablemente -junto a su amigo e interlocutor, Jürgen Habermas- uno de los filósofos más influyentes de la segunda mitad del siglo XX. Ágil, vivaz y enérgico, su pensamiento forma parte de los grandes clásicos de la historia del pensamiento filosófico occidental. Su naturaleza comprometida -que le llevó a participar en la política quebequense en su juventud- y su significativa contribución -no siempre justamente comprendida- en el debate entre comunitarismo y liberalismo en la década de los noventa contribuyeron a que Taylor fuese identificando como uno de los...

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...

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.