Book title: The Agency (Author:Wentworth M. Johnson)
Bill decides to settle down and become a proper private investigator, but with a few differences. His main income is through solving reward and cold cases. As he put it, 'Dead men seldom turn nasty or violent.' Whilst taking some time off from his hectic new business, Bill stumbles into a hornet's nest of death and disaster. Compound mysteries present themselves as if asking to be solved, but with them comes deadly danger.