Death from the skies! - Philip Plait

With wit, humor, and an infectious love of astronomy that could win over even the science-phobic, this fun and fascinating book reminds us that outer space is anything but remote. The scientist behind the popular website badastronomy.com, Philip Plait presents some of the most fearsome end-of-the-world calamities (for instance, incoming asteroids and planet-swallowing black holes), demystifies the scientific principles at work behind them, and gives us the odds that any of them will step out of the realm of sci-fi to disrupt our quiet corner of the cosmos. The result is a book that is both terrifying and entertaining, a tour of the violent universe we live in, written with an enthusiasm that every stargazer will appreciate.