Presenting three books in the popular and exhaustive trivia series. This collection takes a trip to the dark side of crime and disaster that is educational and informative. Lennox answers such questions as: How long does it really take to analyze a DNA sample? Who started the first forensics laboratory? What makes a perfect storm perfect? How did the Halifax Explosion occur? What was the world's worst airplane crash? The answers may surprise you. Includes Now You Know Extreme Weather Now You Know Crime Scenes Now You Know Disasters This bundle of books in Doug Lennox's popular trivia series provides answers on questions about crime, weather, and disasters. What was the worst freshwater ship disaster ever in North America? Where's the world's hottest place? Who started the first forensics laboratory? Who invented criminal profiling? These and hundreds more are answered.