In this collection of mind-boggling short stories, things aren't always what they appear to be. Question every detail, and challenge what you know. Then, read it again. Sometimes, all it takes is a shift in perspective. Andy Weir's Principles of Uncertainty consists of nine unique pieces including one never-before-seen story that will tickle your space fancy: Access Annie's Day Antihypoxiant Meeting Sarah Midtown Butcher The Chef The Egg The Real Deal Yuri Gagarin Saves the Galaxy