From publisher blurb: Simple Modernity is an OSR compatible supplement that allows you to run your games with a modern themed setting. The rules detailed within should be generic enough to allow you to use them with most OSR games that are based on the original AD&D and B/X rulsesets. The rules included with Simple Modernity are: 10 modern themed classes Rules for firearms & attachments Rules for modern equipment Rules for modern vehicles 10 modern themed NPC's A selection of quick plot suggestions running the gamut from WW1 era to more current day fare