248pp. Book produced in complete conformity with war economy standards (see BookAddiction blog post on war economy standards in book production). Red cloth boards (a little marked and rubbed at edges). Lending sheet on front free endpaper, no other library markings. Internally neat, clean, bright and tight, barring a few minor marks on pages. In its original, vintage, dust jacket( just a little rubbed at edges, tending to fray at spine tips, spine crease and unnecessary tape reinforcement on reverse). Dust jacket now protected in archival quality mylar wrapper which prolongs the life of the paper, keeps it clean and protects it from damage. It is not adhered to the book or to the dust jacket. "Insidious awful fear is the undertone to life in a New York mansion where a doctor finds the key to a delicately horrible psychological mystery". 12mo