title: Crimson Joy
text: # Crimson Joy
  
  Crimson Joy is the 15th Spenser novel by Robert B. Parker.
  
  The story follows Boston based PI Spenser as he tracks a serial killer the press has dubbed the "Red Rose Killer".
  
  The killer turns out to be a therapeutic patient of Spenser's girlfriend Susan Silverman, challenging their safety and testing their relationship.
  
  ## Recurring characters
  
  * Spenser
  * Hawk
  * Dr. Susan Silverman, Ph.D
  * Lt. Martin Quirk, Boston Police Department
  * Sgt. Frank Belson, Boston Police Department
  * Tony Marcus
  * Henry Cimoli
  * Wayne Cosgrove
  
  Mentioned but not seen:
  
  * Rita Fiore
  * Paul Giacomin
  * Linda Thomas
  