"First HarperPaperbacks printing: July 1995" on copyright page.
Catalog of Copyright entry TX0004169184 puts the publication date at 1995-07-15.
"10 9 8 7 6 5 4 3 2 1" on copyright page.
Inside back cover has a black-and-white photo and short biography of the author.
(Also appears without the photo etc. Maybe only a printing error and not a true variant.)