Conoce a Gabriela Mistral

Poetic text recounts the childhood of the noted Spanish poet, including his love for the nature and folklore of his native Andalusia, his introduction to music and literature at home, and his health problems.

The turbulent atmosphere of suburban Barcelona hides the social isolation of a juvenile misfit. A young man fascinated by private detectives becomes entangled in a strange and dangerous case of academic dishonesty.

A koala rests comfortably in an Australian eucalyptus forest, penguin families gather on icebergs of Antarctica, an alligator protects her young in its mouth, a hippopotamus teaches her baby the art of bathing, and an elf owl peeks out of its cactus nest. These captivating images, taken by some of the world's leading wildlife photographers, introduce young children to similarities that exist between the animal world and their own. Photographs of animal habitats from all over the world teach young readers that all living creatures live in special places they call home. And by seeing animals...

El carácter de Kolmogórov se forjó en una época de revoluciones sociales y guerras mundiales. Vivió el estalinismo, la posterior rectificación de errores y el inmovilismo que luego daría paso a la perestroika. Aunque siempre se consideró a sí mismo un matemático puro, una parte esencial de su obra fueron sus investigaciones aplicadas a otras ciencias. Sus esfuerzos estaban regidos por una idea clara - discernir las diferencias y similitudes entre orden y caos. Mucho más que cualquier otro matemático, amplió los dominios y la comprensión humana del azar. Reinó en una escuela...

Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book has been translated into Spanish and explores the history of American Indians in Texas and how each group found different ways to live in the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shoshone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian...