Coffin Ed Johnson and Grave Digger Jones get personally involved in a gang dispute in The Real Cool Killers , one of the most provocative cases in Chester Himes s groundbreaking Harlem Detectives series. Many people had reasons for killing Ulysses Galen, a big Greek with too much money and too great a liking for young black girls. But there are complications like Sonny, found standing over the body, high on hash, with a gun in his hand that fires only blanks; a gang called the Moslems; a disappearing suspect; and the fact that Coffin Ed s daughter is up to her pretty little neck in the whole explosive business.