Gosh! Code name Invisible Woman, field name Valerie Chamboiserie, but who is this mysterious lady and will her true identity be revealed? Will Major Chumley Whatsit find true love? Will Freddie Bishop come to terms with his wooden leg? Repressed housewife, Mrs Bishop, fluent French speaker and poetry lover, is the perfect find in Churchill's quest to help the resistance, but will we actually meet her? A thrilling tale of derring do in WWII.