Valiant Wings have recently republished their excellent 2-volume Airframe & Miniature study of the Messerschmitt Bf 109 by Richard Franks. Available individually, the combined 2-parter forms one of the most comprehensive reference works available for modellers and enthusiasts, covering the iconic fighter from its inception through to the final wartime variants, including a myriad of prototypes and paper-projects along the way.
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/airframe-miniature-5-and-11---messerschmitt-bf-109---second-editions