I have not been able to find a formal report of this elsewhere, but both Bill Crider and Sarah Weinman are reporting the death of Robert B. Parker, author of the Spenser and Jesse Stone novels (among other works).
Edited to add: The LAT now has a short article up, and promises a full obit to come.
A lot of people who knew Parker better than I did are probably going to be commenting over the next few days. I’m at work right now, but when I get home tonight I’ll update this entry with some thoughts of my own.
Update: I’ll post links to the major papers obits tomorrow morning. In the meantime, I’m putting my thoughts after a jump, because they contain both possible spoilers (including one for Gone, Baby, Gone) and language…