Planning the Future of U.S. Particle Physics (Snowmass 2013): Chapter 1:
  Summary
  These reports present the results of the 2013 Community Summer Study of the
APS Division of Particles and Fields ("Snowmass 2013") on the future program of
particle physics in the U.S. Chapter 1 contains the Executive Summary and the
summaries of the reports of the nine working groups.
