A unique anthology for crime aficionados - six 'perfect murder' stories written by the most accomplished crime writers of the 1930s, designed to fox real-life Scotland Yard Superintendent Cornish, who comments on whether or not these crimes could have genuinely been solved.Is the 'perfect murder' possible? Can that crime be committed with such consummate care, with such exacting skill, that it is unsolvable - even to the most astute investigator?In this unique collection, 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 Superintendent Cornish of the CID then attempts to unravel...This clever literary battle of wits from the archives of the Detection Club follows The Floating Admiral and Ask a Policeman back into print after more than 75 years, and shows some of the experts from the Golden Age of detective fiction at their most ingenious.For true crime aficionados, this new edition includes an essay by Agatha Christie, one of the inaugural members of the Detection Club. Unseen since 1929, her article discusses the infamous Croydon Poisonings, a real-life perfect murder, the solution to which remains a mystery to this day...