Mrs. Bentley has been arrested for murder. The evidence is overwhelming: arsenic she extracted from fly papers was in her husband's medicine, his food and his lemonade, and her crimes are being plastered across the newspapers. Even her lawyers believe she is guilty. But Roger Sheringham, the brilliant but outspoken young novelist, is convinced that there is too much evidence against Mrs. Bentley and sets out to prove her innocence.

Dr. Arthur Calgary takes a ferry across the Rubicon River to Sunny Point, the home of the Argyle family. A year before, the matriarch of the family was murdered and a son, Jack, was convicted and sentenced to spend the rest of his life in prison. Dr. Calgary is surprised when his revelation has a disturbing effect on the family: it means one of the family is a murderer.

Little did Anthony Cade suspect that a simple errand on behalf of a friend would make him the centrepiece of a murderous international conspiracy. Someone would stop at nothing to prevent the monarchy being restored in faraway Herzoslovakia. The combined forces of Scotland Yard and the French Surete can do no better than go in circles - until the final murder at Chimneys, the great country estate that yields up an amazing secret.

Mr Bowling is getting away with murder. On each occasion he buys a newspaper to see whether anyone suspects him. But there is a war on, and the clues he leaves are going unnoticed. Which is a shame, because Mr Bowling is not a conventional serial killer: he wants to get caught so that his torment can end. How many more newspapers must he buy before the police finally catch up with him?

When Harold Merefield returned home in the early hours of a winter morning from a festive little party at that popular nightclub, the Naxos, he was startled by a gruesome discovery. On his bed was a corpse. There was nothing to show the identity of the dead man or the cause of his death. At the inquest, the jury found a verdict of ‘death from natural causes’ - perhaps they were right, but yet?