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