Eyes of the Empress(1998)
(The second book in the Daemons, Inc. series)
A novel by Camille Bacon-Smith
When someone begins stealing the crystal balls which had belonged to the Dowager Empress of China, the unique detective agency of Bradley, Ryan, and Davis, whose partners are powerful demons, begins to investigate.
Used availability for Camille Bacon-Smith's Eyes of the Empress
July 1998 : USA Mass Market Paperback