It is the first time a biography will have be written with his co-operation, and deal is worth $7m (£4m), AP says.
Mr Buffett, known as the Sage of Omaha, is the world's second richest man, said by Forbes to be worth $40bn (£22.6bn).
The book, which will focus on his investment strategy, is likely to be called The Snowball: How Warren Buffett Collected Friends, Wisdom and Wealth.
http://news.bbc.co.uk/2/hi/business/4359504.stm
Mr Buffett, known as the Sage of Omaha, is the world's second richest man, said by Forbes to be worth $40bn (£22.6bn).
The book, which will focus on his investment strategy, is likely to be called The Snowball: How Warren Buffett Collected Friends, Wisdom and Wealth.
http://news.bbc.co.uk/2/hi/business/4359504.stm
