La frontera dormida

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

En esta antología realizada por Andrés Sánchez Robayna, la más completa que se conoce hasta la fecha, queda bien acotado el espacio poético que José μngel Valente ha sabido crear en más de cuarenta años de oficio: tras cada pieza escogida, desde el primer poema hasta la última de sus composiciones, late esa percepción de la poesía como conocimiento en la cual el poeta es el mago que hace aparecer la realidad mediante el mismo acto de la escritura. La palabra en sí es la travesía reveladora, no el medio de comunicarla. La selección de Andrés Sánchez Robayna contiene poemas...

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.