Actually you can read the Kama Sutra but it can be quite boring as there can be a lot of unnecessary information and often outdated because sex doesn't stand still . My personal recommendation is to use the resource https://sexpositions.club/ . There is very much written in detail about the most important subtleties of sex and told moments that will help you become a real professional in sex . When I started using the information from the resource, my girlfriends were just delighted