_Atoms Today and Tomorrow_ (revised edition), Margaret O. Hyde, McGraw-Hill Book Company, New York 10036, 1966, 160 pp., $3.25. _Basic Laws of Matter_ (revised edition), Harrie S. W. Massey and Arthur R. Quinton, Herald Books, Bronxville, New York 10710, 1965, 178 pp., $3.75. _Building Blocks of the Universe_ (revised edition), Isaac Asimov, Abelard-Schuman, Ltd., New York 10019, 1961, 380 pp., $3.50 (hardback); $2.70 (paperback) from E. M. Hale and Company, Eau Claire, Wisconsin 54701. _Elements of the Universe_, Glenn T. Seaborg and Evans G. Valens, E. P. Dutton and Company, Inc., New York 10003, 1958, 253 pp., $4.95 (hardback); $2.15 (paperback). _Inside the Atom_ (revised edition), Isaac Asimov, Abelard-Schuman, Ltd., New York 10019, 1966, 197 pp., $4.00. _Introducing the Atom_, Roslyn Leeds, Harper and Row, Publishers, New York 10016, 1967, 224 pp., $3.95. _Peacetime Uses of Atomic Energy_ (revised edition), Martin Mann, The Viking Press, New York 10022, 1961, 191 pp., $5.00 (hardback); $1.65 (paperback). _The Useful Atom_, William R. Anderson and Vernon Pizer, The World Publishing Company, Cleveland, Ohio 44102, 1966, 185 pp., $5.75. _Secret of the Mysterious Rays: The Discovery of Nuclear Energy_, Vivian Grey, Basic Books, Inc., Publishers, New York 10016, 1966, 120 pp., $3.95. _The Heart of the Atom: The Structure of the Atomic Nucleus_, Bernard L. Cohen, Doubleday and Company, Inc., New York 10017, 1967, 120 pp., $3.95 (hardback); $1.25 (paperback). _The Questioners: Physicists and the Quantum Theory_, Barbara L. Cline, Thomas Y. Crowell Company, New York 10003, 1965, 274 pp., $5.00. _The Atom and Its Nucleus_, George Gamow, Prentice-Hall, Inc., Englewood Cliffs, New Jersey 07632, 1961, 153 pp., $1.95. _The Atomic Energy Deskbook_, John F. Hogerton, Reinhold Publishing Corporation, New York 10022, 1963, 673 pp., $11.00. _Atomic Energy Encyclopedia in the Life Sciences_, Charles W. Shilling (Ed.), W. B. Saunders Company, Philadelphia, Pennsylvania 19105, 1964, 474 pp., $10.50. _Atoms for Peace_ (revised edition), David O. Woodbury, Dodd, Mead and Company, New York 10016, 1965, 275 pp., $4.50. _Manhattan Project_, Stephane Groueff, Little, Brown and Company, Boston, Massachusetts 02106, 1967, 372 pp., $6.95. _The New World, 1939/1946_, Volume 1—History of the United States Atomic Energy Commission, Richard G. Hewlett and Oscar E. Anderson, Jr., The Pennsylvania State University Press, University Park, Pennsylvania 16802, 1962, 766 pp., $5.50. _Sourcebook on Atomic Energy_ (third edition), Samuel Glasstone, D. Van Nostrand Company, Inc., Princeton, New Jersey 08540, 1967, 883 pp., $9.25. _The World of the Atom_, 2 volumes, Henry A. Boorse and Lloyd Matz (Eds.), Basic Books, Inc., Publishers, New York 10016, 1966, 1873 pp., $35.00.