Following up on last week’s item about the multi-million dollar bids for Keith Richards‘ life story: Little, Brown announced this morning that it had acquired the autobiography, written in collaboration with James Fox, for publication in the fall of 2010. Publisher Michael Pietsch will edit the book personally, along with Alan Samson of fellow Hachette imprint Weidenfeld & Nicolson, which will publish the UK edition simultaneously. No word yet on whether the final cost actually rose to the $8 million Sarah predicted while the auction was still going on…