La Energía Solar (Solar Energy)

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

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.

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

Esta edición única aparece al cumplirse cien años del nacimiento de Juan Rulfo. Recoge las obras fundamentales del autor recopiladas en una edición de lujo de exquisito diseño.Las páginas del libro incluyen la colección de cuentos de El Llano en llamas(1953), la novela Pedro Páramo (1955) y El gallo de oro (1958). Se trata de los textos definitivos de la obras establecidos por la Fundación Juan Rulfo. (Fuente: La Casa del Libro).

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

A teen is trapped in an abusive relationship, and a friend wants to help. This comprehensive book shares how to spot the warning signs of an abusive relationship, how to be supportive of a friend who needs help, and what kind of resources are available to both the helper and the victim. It may be scary to deal with a friend in an abusive situation, but this informative guide will be a strong tool in letting readers know how practical ways that they can navigate a difficult situation and give their much-needed support.

Based on an original new story by J.K. Rowling, Jack Thorne and John Tiffany, a new play by Jack Thorne, Harry Potter and the Cursed Child is the eighth story in the Harry Potter series and the first official Harry Potter story to be presented on sta