New York : DC Comics, c2008.
235 p. : chiefly col. ill. ; 26 cm.
Originally published in single magazine form in Gotham Central, #1-10, c2004, 2005.
In the line of duty / Ed Brubaker & Greg Rucka -- Motive / Ed Brubaker -- Half a life / Greg Rucka.
Follows the careers and personal lives of the Gotham City police department, profiling detectives and how they handle corruption, supervillains, and the vigilante work of the Batman.