A HALF INTEREST IN MURDER by John Creighton (PBO) / DIG HER A GRAVE by Paul Kruger is Ace Books #D-424. Square clean copy, like new. Interior is tight and clean, appears unread. VF. All forms of  payment accepted. Will combine shipping for U.S. and International sales (using eBay International Shipping program only). Thanks. While you're at it, you should also take a look at my goodgirlart.com Vintage Paperback web site to see some great cover art.