The Open Secret
- Boston: Houghton Mifflin Company, 1930
Boston: Houghton Mifflin Company, 1930. Very Good. Boston: Houghton Mifflin Company, 1930. First American Edition. Octavo; publisher's green gilt-stamped cloth; [6],321pp. Gilt starting to flake, most heavily at spine, corners slightly nudged, faint foxing to textblock fore-edge, else a Very Good, sound copy overall.