Lacking Natural Simplicity

Where Serpents Sleep, by C. S. Harris, copyright 2008 by The Two Talers; Obsidian/New American Library/Penguin Group (USA) Inc./Penguin Books Ltd.; November 2008; ISBN 987-0-451-22512-2.

A Sebastian St. Cyr mystery. The others are: What Angels Fear, When Gods Die, and Why Mermaids Sing. (I think I've missed that latter. Have to find it.)