Georges Simenon 
Maigret and the Saturday Caller [EPUB ebook] 
Inspector Maigret #59

‚Compelling, remorseless, brilliant‘ John Gray Inspector Maigret is followed home one evening by a man who reveals his intention to kill his wife and her lover. Maigret intervenes and speaks to the man daily but when the calls suddenly stop Maigret finds a murder on his hands.’One of the greatest writers of the twentieth century . . . Simenon was unequalled at making us look inside, though the ability was masked by his brilliance at absorbing us obsessively in his stories‘ Guardian ‚A supreme writer . . . unforgettable vividness‘ Independent