Cómo podemos utilizar la palanca?

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.

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

Volumen que incluye ocho cuentos cortos, ideales para leer o contar justo antes de dormir. Cada uno está protagonizado por un personaje fantástico: unicornio, giraluna, duende, alfombra voladora, hada, ballena, elfo... Se mezclan en cada historia la realidad, el sueño y la fantasía.

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

In cartoon format, uses zombies to explain the science of forces and motion. Fully translated Spanish text.

Los escritos de Conchita Bermejo Jiménez han sido publicados como homenaje a la autora. Varios de ellos, muy pocos, habían sido publicados; algunos habían recibido - hace más de cuarenta años- premios muy importantes en su momento, pero nadie podía imaginar que Conchita tuviese guardadas en sus carpetas tantas páginas repletas de belleza, sensibilidad e inteligencia.