...for a big feat. On Monday, September 20, HarperCollins/ Zondervan celebrated its bestselling author Rick Warren at an elegant cocktail party at New York City’s Rainbow Room. Warren’s book ThePurpose-Driven Life is the fastest-selling book of all time, with close to 19 million copies sold in two years in English alone (click here for more stats). Pictured here are (from l.) HC president/CEO Jane Friedman and Warren with News Corporation deputy COO Lachlan Murdoch and chairman/CEO Rupert Murdoch.