The Thursday Murder Club by Richard Osman

Witty, endearing and greatly entertaining. Wall Street Journal Don't trust anyone, including the four septuagenarian sleuths in Osman's own laugh-out-loud whodunit. Parade Four septuagenarians with a few tricks up their sleevesA female cop with her first big case A brutal murder Welcome to...the Thursday Murder Club In a peaceful retirement village, four unlikely friends meet weekly in the Jigsaw Room to discuss unsolved crimes; together they call themselves the Thursday Murder Club. When a local developer is found dead with a mysterious photograph left next to the body, the Thursday Murder Club suddenly find themselves in the middle of their first live case.