1st UK edition (previously published in the US, 1944). 164pp. Red publisher's cloth boards (worn, marked and rubbed at edges). Lending sheet on front endpaper but no other library markings. Mild indentation on early pages. In its original pictorial dust jacket (rubbed and chipped at edges, worn, cracked at corners and spine ends). Sally, Martin's second wife, is present at the murder of Leonora, his first wife - and decides to investigate.