L B Cole. New York: Croydon Publishing Company 1945. 128 pages. 5 1/2 x 7 1/4 inches. A 25 c ent murder mystery. The crispest copy I've ever seen, with just edgewear and one small edge tear to the cover. Near Fine. Wraps. 
Originally published by Bobbs-Merrill in 1940 under the title "Murder Bicarb", here published with permission.