Cómo podemos utilizar el tornillo?

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.

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

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

Do you have what it takes to be an athlete? Readers learn about the hard work and dedication that athletes of all levels go through to be healthy and successful. Along with stunning photos and charts and riveting facts, this Spanish-translated title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources.

Un maravilloso obsequio para esa princesa especial que hay en tu vida: cartas personales de su Rey. ¡Cada día ella encontrará inspiración en una carta para vivir como la princesa radiante que es! ¡Ahora, las niñas entre cuatro y nueve años pueden descubrir que en verdad están llamadas a ser parte de una familia real! Comprenderán lo mucho que las ama y adora Dios, el Rey de reyes.

Me llamo Nelson Mandela y nací en 1918 en Sudáfrica, el país más meridional del continente africano. He visto y he hecho muchas cosas durante mi larga vida, pero todo el mundo me conoce por haber pasado más de veintisiete años en prisión por defender la igualdad entre negros y blancos en mi país. A esta reivindicación se le dio un nombre, la lucha contra el apartheid.

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...