Los planetas (The Planets)

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

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.

Introducción biográfica y crítica. Noticia Bibliográfica. Bibliografía Selecta. Nota Previa. Jardín de Flores Curiosas. Preliminares. Tratado Primero. Tratado Segundo. Tratado Tercero. Síguese el Cuarto Tratado. Comienza el Tratado Quinto. Tratado Sexto. Índice de Láminas.

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.