Death at the Bar - Ngaio Marsh

Luke Watchman, a London lawyer, is on his way to meet his friends in a small seaside town where they plan to spend a few weeks on holiday. When someone unexpectedly crashes into the side of his car, he is surprised to find that he finds the person familiar, but cannot place him. When he later discovers that the man, who is called Robert Legge, is staying at the same pub as he is, he slowly begins to remember where he has seen him before. When Watchman is poisoned a few days later, suspicion immediately falls on Legge, but there seems to be no way that he could have committed the crime. With a pub full of people at the time, it seems that the murderer, whoever ...