First edition, first printing. 336pp. Black cloth-covered boards, gilt titles on spine. Lightly bumped spine ends. Text block edges tanning. Signed by author on title page. Internally neat, clean, bright and tight. Dust jacket has some shelf wear, light chipping to edges, mirrors book damage, price unclipped. 8vo. Another classic Goddard mystery, intricate, fascinating and deeply satisfying to the last page.