Dalrymple's Equation

A science fiction murder mystery written in the mid-1950s. The book revolves around the strange case of a young man found dead in a bar under suspicious circumstances, leading two homicide detectives to unravel the mystery. The intriguing plot combines elements of police work with a mathematical approach to problem-solving, introduced by a mysterious character named Tennyson Dalrymple, who claims to have come from another