Cover Art for Agatha Christie's "The Body in the Library," Rein van Looy (1910-1994)

Cover art for The Body in the Library (Dutch edition) by Agatha Christie, by Rein van Looy, (1910-1994).

Found via the fantastic "The Macabre and the Beautifully Grotesque" Facebook group; this particular scan of the cover found here. Click on image to see much larger, more detailed version.