Was Einstein Right? A Centenary Assessment
  This article is an overview of 100 years of testing general relativity, to be published in the book General Relativity and Gravitation: A Centennial Perspective, to commemorate the 100th anniversary of general relativity. It is effectively an abridged version of the recent update of the author's Living Review in Relativity. 
Clifford M. Will
gr-qc physics.hist-ph