Secret of Perpetual Youth Endocrinology 1931
The Secret of Perpetual Youth or Endocrinology. Arthur Jay Green, The Advanced Science Association, Chicago, Ill., 1931.
Blue cover with gilt title. Secure binding with a very mild weakening at inside front gutter page & light cover wear with some light soil fading. Owner name/address in ink at front endpaper. 7-1/2 x 5 with 152 pp. plus ads.