Signed book: The Double Helix. First edition. NY: Atheneum, 1968. Hardcover with dustjacket, 5.75 x 8.75, 226 pages. Signed on the half-title page in black ballpoint, “James D. Watson.” In very good condition, with moderate surface marks and rubbing, a linear tear to the top of the spine, and a loose hinge. RRAuction COA.
