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.

• Now You Know Extreme Weather
• Now You Know Crime Scenes
• Now You Know Disasters