London: Chapman & Hall, 1932. Second edition, revised (first was in 1928). Octavo, maroon cloth. pp xviii, 177 + many photo plates; illustrations in text. Spine has repaired tears at spine ends, remains of a label at lower spine; faint damp stains at upper and outer margins of text and some plates; rubber stamp of British Celanese inside front cover; else a good, clean and tight copy.