Praxis: Blood Magic Series by Carolyn McCray

A woman of science. A man of magic. Hunted for their HeartsBlood. Dr. SalistaCalon knew that she worked in a bad part of San Francisco, but nothing could prepare her for the horror that awaited her at the hospital. After her best friend is slaughtered, Salista’s only clue is a mysterious man dressed in leather. A man who claims to know not only the secret behind her best friend’s death, but the key to controlling a force that could rend both their worlds... Blood Magic... moreA woman of science. A man of magic. Hunted for their HeartsBlood. Dr. SalistaCalon knew that she worked in a bad part of San Francisco, but nothing could prepare her for the horror that awaited her at the hospital. After her best friend is slaughtered, Salista’s only clue is a mysterious man dressed in leather. A man who claims to know not only the secret behind her best friend’s death, but the key to controlling a force that could rend both their worlds... Blood Magic. Drawn into a world beyond her comprehension and control, Salista must choose between science and magic. Her mind and her heart. HeartsBlood... A love taken to its dangerous conclusion less