What is the name of the autobiography of Shahid Afridi, former captain of the Pakistan national cricket team which is co-authored by journalist Wajahat S Khan?

Shahid Afridi, former captain of the 'Pakistan national cricket team' has written his autobiography titled, 'Game Changer' which will unveil answers to the much-contemplated questions about him. The book has been published by Harper Collin's India. Afridi is popularly known as 'Boom Boom' and holds the world record for the fastest ODI (One Day International) century in 37 deliveries.He also holds the distinction of having hit the most number of sixes in the history of ODI cricket. The book has been co-authored by Afridi and journalist Wajahat S Khan.