Roc y la salud

Compares and contrasts the plants, animals, and indigenous peoples of the world's rainforests by continent, exploring secrets of survival in the forest and examining how human exploitation threatens these diverse habitats.

"This oversized book introduces children to the alarming number of species that are endangered, threatened or, unfortunately, extinct. It includes amphibians, birds, mammals, reptiles, and fish, devoting an entire page to each animal. Readers will learn the threats facing each one, where each one lives or lived, including the type of habitat, its diet, size, and ongoing conservation efforts."

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Bajo este nombre escondió su prueba de amor a la belleza de la poesía esta chilena, ciudadana del mundo y amante de suprimir fronteras. Su inspirada lírica de sentimientos intensos la ha convertido en un símbolo para los anhelos ideales de todo el mundo latinoamericano. Premio Nobel 1945.