What is your problem exactly?
Do you have problems approaching strangers because you feel something inside is holding you back? Or you have this problem because you THINK you NEED to do some social techniques in order do it?
You answer determine the solution to your problem.
If there is something in you which holds you back, you can overcome that by a simple search on "Social Inner Game", there are plenty of free materials on the web which can be helpful... But if your problem is the second one (you think you need to do something...etc), then it's is even much simpler... Check the following book: http://www.amazon.com/Art-SpeedReading-People-Speak-Language...
If your situation differs from these, please reply.
You answer determine the solution to your problem. If there is something in you which holds you back, you can overcome that by a simple search on "Social Inner Game", there are plenty of free materials on the web which can be helpful... But if your problem is the second one (you think you need to do something...etc), then it's is even much simpler... Check the following book: http://www.amazon.com/Art-SpeedReading-People-Speak-Language...
If your situation differs from these, please reply.