The dark goodbye

"Hired to locate a missing girl, detective Max 'Mutt' Mason discovers deeper malignant forces at work. Femmes fatale soon give way to strange creatures older than humanity, all bent on remaking our world as their own. Mason wants answers, but the solution to this mystery may go beyond mere greed and betrayal--leading the detective to the brink of horrifying realms which man was never meant to trespass"--P. [4] of cover.