The Sin Fishers by John Dexter (Harry Whittington) (Sundown Reader SR542, 1965). Cover Art has been attributed to Robert Bonfils. #TheSinFishers #JohnDexter #HarryWhittington #1960s #RobertBonfils #books #book #Paperback #cover #coverart #artwork #crime #mystery #thriller #thrillers #SundownReader