Jim Gavin: “Costello” Gallery Jim Gavin: “Costello” Jim Gavin, New Yorker Fiction Jim Gavin: “Costello” This week's New Yorker fiction is Jim Gavin's "Costello." Read the full post. By Trevor Berrett|2016-06-23T17:50:01-04:00November 30th, 2010|Categories: Jim Gavin, New Yorker Fiction|Tags: 2010 New Yorker Fiction|8 Comments