>>12212250Books don't help. Practice by doing it.
Learn to talk to people
Ask them what they're up to, if they have seen some nice movies or some neat events are coming up.
Learn to talk about yourself and seek feedback about your personality. Or things that's on your mind, or subjects you find interesting and feel passionate about(but maybe not how much you love your nazi friends at pol and hate the Ns)
After a while you realize your introversion isn't that much of a problem, main problem you have is probably your confidence in your ability to maintain a conversation.