Vintage Paperback, Digest Size, Avon Murder of the Month, 1942, Frank Gruber

1942 Vintage Paperback The French Key Mystery by Frank Gruber in GOOD+ condition. It is Avon Murder of the Month #4 . It is the first Avon printing.
This is a hard to find book in collectors condition. It appears unread. It has bright colors and flat, square covers. Front cover has a 3/8 inch tear next to crown. Bottom corner has creasing and small area of color loss. Also crease line on spine and at upper corner front cover. Rear cover has minor soil. Otherwise just mild edgewear.