SIGNED BOOKS. – Francis K. MASON. Battle Over Britain. London: McWhirter Twins Ltd., 1969. First edition, multi-signed by many WWII airmen, 8vo (235 x 168mm.) Photographic illustrations. (Mild toning.) Original red cloth, dust-jacket (price-clipped). Note: with an annotation to the half-title listing the year when each airman signed the book, including the signatures of Peter Townsend and J.E Johnson and E.M. Donaldson, all done in 1969.  – And a further eleven volumes, all multi-signed by airmen of various squadrons, including many signed photographs (including Kenneth G. Wynn’s ‘Men of the Battle of Britain’, 1989, and Nigel Steel and Peter Hart’s ‘Tumult in the Clouds’, 1997, and Richard Hough and Denis Richard’s ‘The Battle of Britain’, 1989, and Willi Reschke ‘Jagdgeschwader 301/302 ‘Wilde Sau’’, 2004, and Patrick Barthropp’s ‘Paddy’, 2001, and Brian Kingcome’s ‘A Willingness to Die’, 1999, and Colin Gray’s ‘Spitfire Patrol’, 1990, and J.E. Johnson and P.B. Lucas’ ‘Glorious Summer’, 1990, and Edward H. Sims’ ‘The Greatest Aces’, 1967, and Werner Held’s ‘JG 54, a Photographic History of the Grunherzjäger’, 1994, and ‘Johnnie’ Johnson’s ‘Wing Leader’, 1956). Provenance: from the estate of the late David Sadler (12).