Cómo podemos utilizar la palanca?

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

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.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

This engaging and important biography examines the many masks of the infamous Anthony Blunt (1907-1983), the Cambridge art historian turned spy who worked simultaneously for British Intelligence and the Soviet Union during World War II. Two 8-page photo inserts.

"A finales de los años setenta, un muchacho perteneciente a la clase media salvadoreña trata de introducirse en los movimientos sindicalistas locales con la intención de conocer el incipiente movimiento revolucionario. Allí conoce a una guapa trabajadora de una fábrica textil y se propone enamorarla. Sin embargo, la situación se recrudece en El Salvador. Las refriegas sindicales devienen en combates contra el orden militar y la vorágine termina arrastrando a todo el mundo a territorios y rupturas que nunca imaginaron. Se ha desatado la guerra civil salvadoreña. Róger Lindo, con la...

Young readers will be inspired by this biography about the first woman to fly solo across the Atlantic. The appealing images, helpful text, and supportive timeline, glossary, table of contents, and index combine to create an engaging experience as readers learn about one of the greatest female pilots of all time. This book has been translated into Spanish.

Describes the different types of octopuses and how they search for food and defend themselves against predators.