Annual Review of Nuclear ScienceAnnual Review of Nuclear Science. Volume 7. Editor:BeckerleyJames G., Schlumberger Well Surveying Corporation. Associate Editors:HofstadterRobertandSchiffLeonard I., both of Stanford University. A volume of 496 pages, with charts and figures. Published by Annual Reviews, Inc., in co-operation with the National Research Council of the National Academy of Sciences, 1957. On sale by Annual Reviews, Inc., Palo Alto, Calif. Price $7.00, U. S. A.; $7.50 elsewhere.