By Kathy Braidhill. "One day, Dana Sue Gray went on a wild spending spree. The price was another woman's life..." Gray was a compulsive spender who killed older ladies, then used their credit cards to finance her binges.
You can probably afford THIS paperback with what you find in the couch cushions; it's in readable shape -- mild edgewear, a cracked and leaning spine and writing inside the front cover, but the pages are tight and the price is right.