Garth Risk Hallberg's 'City on Fire' set in 1970s NYC
                                
                                
                                    (Newser) -
                                    There's a good chance you've never heard the name Garth Risk Hallberg; that ends now. The 34-year-old's debut novel, City on Fire, found itself the subject of a two-day bidding war that ended with quite the payday for its young author: nearly $2 million, two sources tell...