Arthur Conan Doyle. 
 
Hardcover. Condition: Very Good. 1st Edition. New York: George H. Doran Company, 1921. Octavo. Hardcover lacking a dust jacket. First edition. Trace foxing to the top edge of the text block. A couple of small stains to the first few pages of the text block. Hinges intact, binding is strong. Very good.
 
"From the moment that I had understood the overwhelming importance of this subject, and realised how utterly it must change and chasten the whole thought of the world when it is whole-heartedly accepted, I felt it good to work in the matter and understood that all other work which I have ever done, or could ever do, was as nothing compared to this."