There's a book titled British Experimental Combat Aircraft of WWII: Prototypes, Research Aircraft and Failed Production Designs by aviation writer Tony Buttler if anyone is interested in reading it. This book is also available for purchase at Amazon at this link:
I know many of you on this forum read or heard of Tony Buttler's British Secret Projects: Fighters and Bombers 1935-1950 (Midland Publishing, 2004), but that book has since been split by Buttler into two separate volumes (available from Crecy Publishing) based on newly unearthed project...