1. Dr. Luther Brooks   The Long Ships   Buck and the Preacher   Blackboard Jungle   No Way Out   Hint Half-n-half Clue   2. Detective Lieutenant Virgil Tibbs SFPD Homicide   The Long Ships   Virgin Island   A Patch of Blue   The Organization   Half-n-half Clue   3. Homer Smith   The Wilby Conspiracy   Edge of the City   To Sir, with Love   Lilies of the Field   Half-n-half Clue