This is Parker's 12th book. In publication order they are: Laguna Heat (1985), Little Saigon (1988), Pacific Beat (1991), Summer Of Fear (1993), The Triggerman's Dance (1996), Where Serpents Lie (1998), The Blue Hour (1999), Red Light (2000), Silent Joe (2001), Black Water (2002), Cold Pursuit (2003), California Girl (2004 hardcover).
The Fallen will be published in hardcover this March.
Incidentally, the 'T' in Parker's name is just that, a T - it's not short for anything. It seems that his mother thought it would look good on the door of the President! Consider yourself lucky he chose to be a novelist instead; we're richer for it. To his friends, he's simply Jeff.