Marie Curie

El proceso que conduce desde el valor monumental intencionado hasta el valor de antigüedad, pasando por el histórico, no es sino una manifestación de la emancipación del individuo, que ha realizado un fuerte avance, sobre todo desde finales del siglo XVIII y a lo largo del XIX, y que se dispone a sustituir paulatinamente los fundamentos clásicos tradicionales de la cultura por otros completamente distintos

Simple text and color photographs show what life is like on a ranch, covering cattle, corrals, roundups, and other topics.

This book looks at the numbers in Spanish. Main text on each page is provided only in Spanish, with simple, labeled photographs providing support. A "dictionary" spread at the end of the book features all the vocabulary words in both Spanish and English, and also includes a pronunciation guide.

Your lungs make sure that you use air wisely. Learn how the air passes from the lungs to the bloodstream in this story about your amazing body.