Leaf of Faith hardcover first edition book autographed in black ballpoint on the title page by author and legendary Mercury 7 astronaut Gordon Cooper, who died in 2004. From a Borders book signing, with their BORDERS Autographed COPY sticker on the dust jacket. Authenticated by JSA with their matching numbered sticker on the signed page and certificate of authenticity card. Dust jacket has minor shelf wear. ONLY ONE AVAILABLE FOR SALE.