Agatha Christie 
The Murder of Roger Ackroyd 

The classic detective fiction novel voted as the best ever crime novel.

Mrs. Ferrars died on the night of the 16th – 17th September-a Thursday. I was sent for at eight o’clock on the morning of Friday the 17th. There was nothing to be done. She had been dead some hours.

It was just a few minutes after nine when I reached home once more. I opened the front door with my latchkey, and purposely delayed a few moments in the hall, hanging up my hat and the light overcoat that I had deemed a wise precaution against the chill of an early autumn morning. To tell the truth, I was considerably upset and worried. I am not going to pretend that at that moment I foresaw the events of the next few weeks. I emphatically did not do so. But my instinct told me that there were stirring times ahead.