El magnetismo (Magnetism)

There are many kinds of grass, but when most people think of this green plant, they think of the kind found in backyards and parks. Grass is like many other plants with its roots, leaves, and needs of soil, water, and sun. Young readers find out that acres of grass come from the tiniest of seeds. With this knowledge, they'll never look at someone mowing the lawn in the same way again. Full-color photographs closely correlate with the accessible narrative, which is written especially for emerging readers.

"A biography examining the life of Benjamin Franklin and his leadership as a statesman, scientist, inventor, and printer. Written in graphic-novel format."

"Cuando se encuentran en Nueva York en 1925, Henry Murray es un ambicioso médico de Harvard, casado con una rica heredera de Boston, y Christiana Morgan una tormentosa estudiante de arte, esposa de un veterano de guerra. Atraídos por una fuerza que los sobrepasa, los dos viajan a Suiza para ser analizados por Carl Gustav Jung, quien sumerge a Christiana en profundos estados de trance. Las visiones de la joven, fielmente dibujadas en sus cuadernos, se convertirán en el punto de partida de un experimento en busca del amor absoluto que se prolongará durante los siguientes cuarenta y dos...

Read Along or Enhanced eBook: Introduce readers to some of the most well-known criminals and tyrants of the past with this fascinating, Spanish-translated nonfiction book! Featuring intriguing facts and theories, colorful images, and informational text in conjunction with a glossary of terms, a bibliography, and a list of helpful websites with more information, readers will want to learn all they can about ancient history and the bad guys and gals from the past.

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