Even though it is a bit old today, I would recommend Ross Jeffries "How to lay girls guide." Just critically think, because a lot of the stuff is ethically questionable to/bad. There is a whole community around ex losers that call themself pickup artists...
It sounds like OP is trying to find a romantic partner, as well as a way to improve himself - not just someone to fuck.
You need to learn to walk before you can learn to run.