¿qué Hace Un Ingeniero?

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

"A survey of the history of piracy and lives of pirates covers such specifics as the invention of the Jolly Roger, discipline aboard pirate ships, and pirate ruses."

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.

"Morirás en Chafarinas" está a medio camino entre la novela negra y el relato de aventuras. En ella, la vida militar, el mundo de las drogas y una ciudad de Melilla fantástica y subyugante conforman el ambiente en el que se desarrolla una acción vibrante, cuya intensidad crece con cada página hasta desembocar en un final inesperado.