La resolución de problemas

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Reader beware! The biography of R. L. Stine, author of the hugely popular Goosebumps series, is a scary-good time! R. L. Stine began writing stories at the age of nine, after finding a typewriter in his family's attic. (Was it a haunted typewriter? Who can be sure?) Often referred to as the "Stephen King of children's literature," R.L. has created some of the scariest books to have ever been passed around a campfire, leaving readers wide awake at night. With over 400 million copies of his horror fiction novels sold across the world, R.L. Stine is one of the best-selling authors in history.

Readers learn the basics of caring for common household pets, from physical features, to behavior, to diet. Also explored is how the animal's natural habitat differs from the habitat provided in the home.

La indiscutida preeminencia de Bécquer en la poesía romántica ha eclipsado a otros poetas de calidad más discutible y de menor difusión, pero representativos de las características ideológicas y estéticas del movimiento romántico. Esta antología pretende ofrecer a los jóvenes alumnos una visión más exacta, por amplia, de la poesía romántica española.