'O' Is for Outlaw by Sue Grafton
The Kinsey Millhone Alphabet Mystery Series
(as of summer 2001)
A Is for Alibi
B Is for Burglar
C Is for Corpse
D Is for Deadbeat
E Is for Evidence
F Is for Fugitive
G Is for Gumshoe
H Is for Homicide
I Is for Innocent
J Is for Judgment
K Is for Killer
L Is for Lawless
M Is for Malice
N Is for Noose
O Is for Outlaw
P Is for Peril