First Edition. Mrs. Briggs, the jewelry buyer, was strangled as she sat in her office. How to find a murderer in a crowded department store? It was too much for detective Peter Conklin. But not for the indefatigable Miss Ethel. Very Good, small bookplate removed from page listing author's other books, some wear and stress to spine, some webbing showing at inner hinges, in lovely Fine dustjacket, that had been stored separately from the book all these many years.