This is a reissue of Marjorie M. Liu's book in the multi-authored "Crimson City" series, in which Los Angeles is not longer the City of Angels and all things of the night have come out to wage war.
"Named for the angels, Los Angeles is a city of demons, a crucible of souls. It is Crimson City. Here vampires and werewolves vie for domination, humans build soldiers of flesh and steel who seethe with fury. But alongside strife can be love--a love that cares nothing for species or origin ..."--Page 4 of cover.