Jane Addams

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

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

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.

¿Qué cosas suceden en esta biblioteca maravillosa? ¡Un zorro se olvida de cazar ratones! ¡Un ratón aprende a hacer trucos de magia! ¡Una gallina le lee cuentos a un zorro! Un libro conmovedor para darnos nuevas ideas. . . What goes on in this marvelous library? A fox forgets to hunt rats! A rat learns to do magic tricks! A hen reads stories to a fox! This is a moving book that offers plenty of new ideas.

Recounts the life of Cuban violinist Claudio José Domingo Brindis de Salas, a black child who was born free and began his career as a musical prodigy to become a noted concert musician in Paris, while slavery still existed on the island.

Un grupo de alumnos se convierten en historiadores y plasman los resultados de su tarea investigadora mediante la creación de su propio libro de historia.

[English]Why do maple and oak trees drop their leaves in the fall? What other animals share the forest with chipmunks, deer, and snakes? Hike through this book, and find out what makes temperate deciduous forests one of Earth's treasures. [Spanish]¿Por qué al arce y al roble se les caen las hojas en el otoño? ¿Qué otros animales comparten el bosque con las ardillas listadas, los venados y las serpientes? Da un paseo por este libro. Descubrirás por qué los bosques templados son uno de los grandes tesoros de la Tierra.