The traveler Author:john datzenbach The Traveler is John Katzenbach's second novel of murder, manhunt, and psychological suspense. A serial killer is loose, a professional photographer taking a "sentimental journey" around the country, murdering as he goes and recording the deaths for his private collection. Pursuing him is a woman detective whose own niece was a victim and the k... more »iller's brother, a psychiatrist who must search his mind and memory to figure out where his brother might strike next.« less