A Murder of Quality
$25 · Offered by Between the Covers
New York: Pocket Books, (1970). Softcover. First Pocket Book edition. Mass market paperback. Tear at foredge margin of three leaves in the rear (affecting a bit of text on one page), binding slightly cocked, light soiling, very good. More
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.