This publication, Flaw Growth and Fracture, contains papers presented at the Tenth National Symposium on Fracture Mechanics which was held 23-25 August 1976 at Philadelphia, Pa. The American Society for Testing and Materials' Committee E24 on Fracture Testing of Metals sponsored the symposium. J. M. Barsom, U. S. Steel Corporation, Monroeville, Pa., served as symposium chairman.