Science and invention in Birmingham 1054 Mk XVIs) had been built. CBAF became the largest and most successful plant of its type during the 1939–45 conflict. As the largest Spitfire factory in the UK, by producing up to 320 aircraft per month, it built over half of the approximately 20,000 aircraft of this type. 1944: Anthony Ernest Pratt takes out his first patent for a board game named 'Murder', this is later to become the world-renowned murder mystery game 'Cluedo'. 1946: Chance Brothers produce the first all-glass syringe with interchangeable barrel and plunger, thereby allowing mass sterilisation of components without the need for matching them.
Mystery fiction is some overlap with "thriller" or "suspense" novels and authors in those genres may consider themselves mystery novelists. Comic books and graphic novels have carried on the tradition, and film adaptations or the even-more-recent web-based detective series, have helped to re-popularize the genre in recent times. Mystery fiction can be divided into numerous categories, including "traditional mystery", "legal thriller", "medical thriller", "cozy mystery", "police procedural", and "hardboiled". Mystery fiction Mystery fiction is a genre of fiction usually involving a mysterious death or a crime to be solved. Often with a closed circle of suspects, each suspect is usually provided with