Title page: MYSTERIES OF THE | FRENCH SECRET POLICE | by | JEAN GALTIER-BOISSIÈRE | FOUNDER AND EDITOR OF ‘CRAPOUILLOT’ | Translated by | RONALD LESLIE-MELVILLE | AUTHOR OF | ‘THE LIFE AND WORK OF SIR JOHN FIELDING’, ETC. | WITH 22 ILLUSTRATIONS | London | STANLEY PAUL & CO. LTD. || Pagination: [1-8] 9-292 [16 advert], frontis., 14 pp of ill. Collation: 8vo; [A]8 B-R⁸ S¹⁰ + 8 leaves of advertisement + frontispiece and 7 leaves of b/w photomechanical illustrations. Binding: Burgundy cloth, gilt lettering to spine, brown endpapers. Contributors: Galtier-Boissière, Jean (French, 1891 –  1966) – author. Leslie-Melville, Ronald (British, 1905 – 1942) – translator. Stanley Paul (London) – publisher. Mayflower Press (Plymouth), William Brendon & Son (Plymouth) – printers.