Herbert A. Giles. Some Truths About Opium. Cambridge: W. Heffer & Sons, Ltd., 1923. First edition. 16mo (approx. 6.75 x 4.25 inches). 40pp. Publisher’s embossed card wraps, lettered in black to spine and front cover. First edition of Giles’ controversial book on the Chinese opium trade. From The Ronald K. Siegel Collection.....