Robert Ziegler is the author of seven Harrison/Wolffe mystery novels including: THE DARK HILL MURDERS (1996), RESOLUTION (1999), FAULTLINE (2000), ARCTIC CHILL (2004), PRESUMED GUILTY (2010), and A DEAD ROSE (2011). He has also penned two exciting science fiction novels: SHADOW WORLD (2006), and ALTAIR RISING (2010). Robert resides in the San Fernando Valley, CA where he continues to pen his spell binding adventures.