Stan Walker's 'impossible' story from horrifying childhood to fame and forgiveness

Mori singer and actor tells all in his book about his rise from poverty and abuse to healing and acceptance

Warning: this article includes details some readers may find disturbing

It is the day of his much-anticipated book release and Mori superstar Stan Walker is celebrating with a glass of red wine in the garage.

Not the fanfare you might expect for the release of his first book, but Walker says he never throws launch parties for anything. A hark back to his past perhaps - to a little boy who felt he was never allowed to be excited about his achievements or celebrate anything.