Ninjin ko [Study of Ginseng].
17 folding leaves. 8vo, orig. printed wrappers, orig. block-printed title label on upper cover, new stitching. [Japan]: Rekijuen [Ishizaka Sotetsu], first preface, by Sokei Ishizaka, dated 1830.
First edition, a variant issue with a three-page second preface at end and no addenda (our copy agrees with a copy at Kyoto University). Tang was a physician who lived and practiced near Suzhou, a major market for the trade in ginseng. His Ren Shen Kao (Ch.), here in the first edition published in Japan, is a practical guide to the medicinal uses of ginseng and gives valuable insights into the massive trade... More