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.

Roblox, the largest user-generated online gaming platform that allows users to create and share their own game worlds and gaming creations, has taken the digital world by storm. There are so many games and social worlds to create with the platform, and this guide gives you the advice you need to get started.

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish

Though few may know his name, his achievement as the first European to discover San Diego Bay and many other areas on the California coast enshrines his name in the annals of American history. This exciting volume tells Cabrillo's story from an unknown soldier to the intrepid conquistador, crossbowman, landowner, shipbuilder, and explorer he became. As one of Hernan Cortes' soldiers during the conquest of Mexico and a founder of Guatemala, his actions loomed large in the future of both South America and North America. By both educating and entertaining, this biography illuminates a...

Esa etapa de la vida a la que llamamos adolescencia, en la que la realidad se muestra confusa, en el que la conciencia y moralidad comienzan a evolucionar, cuando aparecen sentimientos, sensaciones o reflexiones morales que hasta ese momento se desconocían, es puntual en la vida de cada persona. En este libro el autor hace hincapié tanto en la parte sentimental como en la de la razón que tanto chocan en dicha etapa vital, con el objetivo de que cualquier tipo de lector, aunque está dirigida especialmente a la comunidad juvenil, se sienta como ente partícipe de lo que se expresa. Es, en...