Cómo podemos utilizar la polea?

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.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...

OF COURSE you think I was the bad guy, terrifying poor little Jack. You don't know the other side of the story. Well, let me tell you... Fully translated Spanish text. SEGURO que piensas que yo soy el malo del cuento y que me dedico a aterrorizar al pobre Juan. No conoces el otro lado de la historia. Pues bien, te la voy a contar...

People all over the world love pets. Some pets are popular in certain areas of the world. Let’s find out about the popular pets around the world. Paired to the fiction title The Perfect Pet.

Follows the adventures of Max Axiom as he explains the science behind forces and motion. Written in graphic-novel format.

The I Want to Be... series gives young children a realistic insight into the working day of adults. Easy-to-read captions and color photographs of women and men from different cultures help children understand what's involved in each occupation. Young readers learn to respect the importance of doing a job well and appreciate the contributions these workers make to our life and the world around us. These books are perfect for reading alone or in group story times. They are certain to spark questions and encourage dialogue and prompt children to learn more about these occupations. Quiero ser...