_Secrets of the Nucleus_, Joseph S. Levinger, McGraw-Hill Book
Company, New York, 1967, 127 pp., $0.50.
_Working With Atoms_, Otto R. Frisch, Basic Books, Inc., Publishers,
New York, 1965, 96 pp., $3.50.
_The Atom and Its Nucleus_, George Gamow, Prentice-Hall, Inc.,
Englewood Cliffs, New Jersey, 1961, 153 pp., $1.95.
_Inside the Nucleus_, Irving Adler, The John Day Company, Inc., New
York, 1963, 192 pp., $4.95.
_Radioisotopes and Radiation_, John H. Lawrence, Bernard Manowitz, and
Benjamin S. Loeb, Dover Publications, Inc., New York, 1964, 131 pp.,
$2.50.
_Sourcebook on Atomic Energy_ (third edition), Samuel Glasstone, Van
Nostrand Reinhold Company, New York, 1967, 883 pp., $15.00.
The Semiconductor Revolution in Nuclear Radiation Counting, J. M.
Hollander and I. Perlman, _Science_, 154: 84 (October 7, 1966).