No theory or assumptions here.
Advice that has been proven to work.
Do only two or three things and you will beat shyness.
Available in paperback, Kindle and to download onto your device.
This is so easy and will last a lifetime.
For less than the price of two cups of coffee.
Some read for free on Kindle. (Depending on what you have signed up for.)
You'll never need another book on the subject.
Available paperback, kindle, on Amazon & other online stores.