Australia Y Oceanía

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.

Describes the raid on an armory in Harpers Ferry, West Virginia by John Brown, an abolistionist, in 1859. In graphic novel format.

Explores our natural connection to the earth and its four elements, air, water, soil, and fire, underlining the importance of biodiversity and respect for the environment.

The man who saved the lives of his PT-109 crewmen during WWII and became the 35th president fought-and won-his first battle at the age of two-and-a-half, when he was stricken with scarlet fever. Although his presidency was cut short, our nation¿s youngest elected leader left an indelible mark on the American consciousness and now is profiled in our Who Was¿? series. Included are 100 black-and-white illustrations as well as a timeline that guides readers through this eventful period in history.

La teoría de conjuntos es una rama de las matemáticas, y cuya dedicación de este capítulo, es gracias al matemático, Ferdinand Ludwing Philipp Cantor, quien es considerado el padre de la Teoría de Conjuntos, debido a ello, es que, en el año 1874, salió su primer trabajo revolucionario, con respecto a la teoría de conjuntos.