Puzzle books are made for information and fun at the same time.  I started it because I noticed that every time someone gets pulled over by a cop, they get nervous, and it doesn't have to be that way,  Be polite, give your license and registration and even record the moment it is going on.  Just don't be a cocky person to piss them off.  The only thing that allows them to search your car is if they see drugs, alcohol, or a weapon out in the opening.  They can't search your car and then say they found it, and it will be an illegal search and seizure.