Association copy, inscribed by the author to Richard (Dick) Feynman, the co-winner of the 1965 Nobel laureate in Physics. Professor Lopes visited the United States to research at California Institute of Technology in 1957 on the invitation of Feynman. This is a hardcover edition published in 1957. Boards betray fading and nicks and other signs of wear and imperfection commensurate with age. Binding is tight and structurally sound. Pages absent any extraneous marks. New mylar added to ensure future enjoyment. Secure packaging for safe delivery.