After holding power continuously from its inception in 1955 (with the exception of a ten-month hiatus in 1993-1994), Japan's Liberal Democratic Party (LDP) lost control of the national government decisively in September 2009. Despite its defeat, the LDP remains the most successful political party in a democracy in the post-World War II period. In The Rise and Fall of Japan's LDP, Ellis S. Krauss and Robert J. Pekkanen shed light on the puzzle...