Book SignedAmerican molecular biologist, best known as one of the co-discoverers of the structure of DNA. Signed book, "Genes, Girls, and Gamow". Later printing, NY: Knopf, 2002. Hardcover with dust jacket, 6 1/2" x 9 1/2", 259 pages. Signed on the title page, "Jim Watson". First US edition, first printing, signed by the author - "Jim Watson" - on the title page. This is Watson's report on the aftermath of his and Crick's revolutionary discovery of the structure of DNA, following on from his classic memoir, The Double Helix. In excellent condition.