Detective Achilles "Ace" Sloan ("The Red Planet Murders") returns in this exciting and compelling murder mystery from author William Graham. Set on the Martian colonies in the 22nd century, Detective Sloan must solve the murders of two immigrant women found buried in the Martian dunes and of a famous college professor. What is the connection between the murders? Sloan and his rookie colleague Detective Kate Hammer uncover a secret political conspiracy as they try to solve the crimes. This work is a fast-paced thriller with a political intrigue and edge to it.