London: Heinemann, 1908. Remainder issue (ca 1912?) in red cloth, spine lettered and decorated in gilt. pp 255. No ads at front. Cancel title leaf. Hubin p 30. The first in an intended series of 2/6 books. The first binding was green moiré cloth. A well-regarded crime novel, reprinted by Hogarth Pres in 1987, and scarce in first edition. ; 16mo