Features of the updated 30th edition include:
An introduction highlighting Barack Obama's re-election, the defense of the Democrats' Senate majority, and the continued strength of the Republicans in the House. A brand-new set of congressional districts maps, reflecting the re-districting following the 2010 census. Chronological and alphabetical listings of the state presidential party primaries, state-by-state votes for minor party candidates in 2012, and state-by-state popular and electoral vote tables for each election from 2012 back to 1960. House special elections from the 112th Congress, plus updates on the 113th Congress through the printing date. This volume is an essential acquisition for university, school, public, and professional libraries.