Energía del viento

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

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

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.

Destined to become an etiquette bible for girls everywhere, this comprehensive and humorous reference provides a wealth of tips and tricks for how to act, feel, and look one’s best in every situation—whether at school, at home, with friends, or with romantic interests. This is an essential manual that proves that proper etiquette goes beyond just “please” and “thank you.” Destinada a convertirse en una biblia de etiqueta para niñas en todas partes, esta referencia comprensiva y humorística provee un buen número de consejos y trucos para cómo actuar, lucir y sentirse mejor en...

Una nueva y cuidada edición del clásico, ilustrada por María Hesse. Clásicos inolvidables para disfrutar, compartir y dejar volar la imaginación. Una habitación propia es una obra icónica de la historia del feminismo. En él, Virginia Woolf trata temas como la dependencia económica, la carga de los cuidados y la poca presencia histórica de la mujer. Temas que, incluso hoy, generan fuertes debates. Esta nueva y cuidada edición del clásico, ilustrada por María Hesse, es una lectura clave y un ensayo de referencia en el feminismo.

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.