I’d heard the myth of phonebook ballistic armor a few times and decided to do a little experiment for myself. ( stories - burn notice etc. )
3" of phone book v .40 cast lead pistol round ~ 3.8 grains of H Titegroup powder -
Myth busted…
My daughter pointed out that 3 inches of fashion magazines might do better and she has a point as magazine paper has a high clay content to better hold the ink. I’ll try that next time perhaps.