Universo Hawking

Un paseo por Barcelona, tomando como eje conductor sus restos históricos. Este libro es la revisión actualizada de una obra que, con el título de Barcelona XXI siglos ̧ se convirtió en un gran éxito a comienzos de los noventa. Ahora se reedita con imágenes actualizadas y un reportaje sobre la Barcelona actual (Forum, etc.) a cargo de Pepe Navarro.

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...

Mandalas are a reflection of life and when we color mandalas, skills and talents we didn't think we had rise to the surface. We develop a special and unique sensitivity to Mother Nature. We perceive everything with a new and growing intensity. In short, the satisfaction we feel is enormous.

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.