Snow Crash, written by Neal Stephenson, is a cyberpunk science fiction novel that explores the intersection of virtual reality and alien technology. The story takes place in a near-future where the internet has evolved into a fully immersive virtual world. The protagonist, Hiro Protagonist, is a hacker and pizza delivery driver who uncovers a conspiracy involving a dangerous new drug called Snow Crash. With its fast-paced action and thought-provoking themes, Snow Crash is a must-read for fans of alien technology and cyberpunk.