The listing, Slitghtly Used Intensity Written by Dean Koontz has ended.
Intensity is a novel by the best-selling author Dean Koontz, released in 1995. Chyna Shepard is a college student visiting the family of her friend, Laura Templeton, for a long weekend. Chyna, who was abused and neglected by her mother as a child, finds the Templeton house provides something she has yearned: acceptance. This comes to a violent end when Edgler Vess, a serial killer, breaks into the house in the night and methodically kills all of the occupants except Laura and Chyna.