George, Squadron-Leader S. C. - The Secret Six.

Blackie & Son Limited, 1944. First Edition (?). Hardcover. Clean & tightly bound hardback book, front endpaper excised, no inscriptions, in an unclipped dustjacket which is chipped and creased, sunned at spine with minor loss at spine ends. 256 pages, 4 illustrations on plates by Ernest Prater. Undated but is War economy edition therefore assume mid 1940's. Fair in Fair dust jacket.