American women got the vote in 1920, but at a great cost and a century later that cost is seeking payback...When a business card belonging to CSU History Professor Hank Rule, is found on the body of a murder victim near Baldpate In, Estes Park, Colorado - the new sheriff called wanting to know why? So did Dr. Rule. With the historical element of a skull carved from coal and a 1913 fiction classic - Dr. Rule is asked to consult temporarily. However, as the investigation progresses discovering why becomes more convoluted and treacherous for everyone. Chasing clues across the country, from another century and a sly killer across Europe Dr. Rule discovers a stunning motive more ancient than written history, shaking what he thought he knew of his own chosen field...