The Technique of Sex: Towards a Better Understanding of Sexual Relationship

29th impression, first published in 1939. 12pp, plus 14pp of plate illustrations at rear, some in colour. The illustration section was originally sealed because, as a note in the book says, 'it is not intended that the illustrations be suitable for public display. They are of interest to the serious reader only. The section is bound at the end of the book to allow for its removal without damage to the book itself should the reader so desire'. In green cloth-covered boards with black titles on spine. 12mo. Cloth covers worn; rubbed and rounded at corners and spine tips, discoloured on edges, spine heavily sunned. Spotting on front free endpaper, front hinge stretched but holding, else internally neat, clean, bright and tight.