"Longtime defense attorney Mickey Haller never thought he would cross the aisle and work for the prosecution. Then convicted child killer Jason Jessup, imprisoned for twenty-four years, is granted a retrial based on new DNA evidence. Convinced Jessup is guilty, Haller takes the case on the condition that he get to choose his investigator, LAPD detective Harry Bosch, and his second chair, deputy DA Maggie McPherson." --inside front cover. Source: OpenLibrary