Two books: a first edition of DNA: The Secret of Life, hardcover with dust jacket, published by Alfred A. Knopf in 2003, signed on the title page in black ballpoint, "James D. Watson"; and a later printing of The Astonishing Hypothesis: The Scientific Search for the Soul, hardcover with dust jacket, published by Charles Scribner's Sons in 1994, signed on the title page in black ink, "Francis Crick." In overall fine condition.
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