Mary Roach is the New York Times best-selling author of STIFF: The Curious Lives of Human Cadavers, SPOOK: Science Tackles the Afterlife, BONK: The Curious Coupling of Science and Sex, PACKING FOR MARS: The Curious Science of Life in the Void and GULP: Adventures in the Alimentary Canal. Her new book is GRUNT: The Curious Science of Humans at War. Mary Roach was in the Northwest to speak at Town Hall Seattle, presented by University Book Store.