La Energía Solar (Solar Energy)

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

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.

BILINGÜE. Todo niño aprende a leer de diferentes maneras y a su propio paso. Los libros de la serie, ¡Yo sé leer!, ayudan a desarrollar su habilidad para leer y su crecimiento spiritual a través de libros basados en historias y valores bíblicos y diferentes niveles de aprendizaje. En, David, la victoria gigante de dios, David no se ve muy fuerte al frente del gigante Goliat. ¿Podrá el ganarle la batalla con cinco piedras lisas y la fortaleza de dios?

Deserts are the driest places on Earth, but they’re full of life! Cacti, kangaroo rats, shrubs, foxes, and more have found ways to adapt to the extreme temperatures and dry conditions of deserts around the world. Readers learn about many of these adaptations as well as the major features of the desert biome. Simple maps highlight some of the biggest deserts, helping readers learn map skills. Full-color photographs reinforce accessible information about the desert ecosystem, including a concluding message of conservation.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.

High Beginning. Mexico, 1821. A masked man and acclaimed popular hero, known as Zorro, fights in the battle against colonial oppression in Alta California. From the reader series Aprende Español Con..., which features stories based on modern films and television series, carefully adapted for Spanish language students. Includes an Audio CD of the text, supplementary materials for teachers, and before and after activities for students.