Stop in for a cup of coffee

This is the book I was looking at.
You can read it for yourselves.
Print it and it will be good bed time reading - if you're trying to fall asleep!
Auto Headlight Glass: Visible Features of Forensic Utility
https://www.govinfo.gov/content/pkg...VPUB-C13-722c70411c03edd33c762f29d5948ff6.pdf