Six Against the Yard

Six Against the Yard is a collection of six stories written by the legendary crime writers Margery Allingham, Anthony Berkeley, Freeman Wills Crofts, Ronald Knox, Dorothy L. Sayers and Russell Thorndike each attempt to create the unsolvable murder, which real-life Scotland Yard Superintendent Cornish then attempts to unravel… He comments on whether or not these crimes could have genuinely been solved.

The book also contains a short essay by Agatha Christie with was originally published in 1929 about a real life arsenic poisoning case which was never solved.