It is my privilege to post a new book review of Thunder From a Clear Sky written by Greg Biggs of the Clarksville, Tennessee Civil War Roundtable. Greg Biggs is one of America's foremost military historians. His knowledge of all military matters is encyclopedic and his analysis is incisive. Everyone in the Civil War Roundtable community knows and respects Greg and his enormous contributions to teaching and research in this field. He needs no introduction to Civil War enthusiasts. See his review here.