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.

Tras los últimos y sombríos años del reinado de Luis XIV las costumbres cambian por completo: la aristocracia se entrega al lujo, convierte el deseo en motor de su vida y hace del amor un juego presidido por una libertad absoluta que provoca unos excesos que los siglos siguientes no alcanzarán. La novela libertina da cuenta de esa realidad, con delicadeza unas veces, con crueldad otras, pero siempre con la mujer como centro de todas las pasiones, capaz de seguir el juego con delicadeza o dejarse arrastrar hasta los límites más arriesgados del deseo. Toda la sociedad del siglo se embarca ...

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.

It's Ms. Frizzle's birthday and the class tries to bake a cake but winds up inside it, learning about mixtures and reactions that occur when ingredients are put together."

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.