This is the larger version (A4) of 99.99% the same book (Competitive Programming 2, A5) that was published last August 2011.
E-book (PDF) version is now available as of 22 Dec 2012: http://www.lulu.com/shop/steven-halim/competitive-programming-2/ebook/product-20591707.html
Competitive Programming 2 is no longer the latest edition as we have released Competitive Programming 3. Please visit: http://www.lulu.com/shop/steven-halim/competitive-programming-3-hardcover/hardcover/product-21031840.html or http://www.lulu.com/shop/steven-halim/competitive-programming-3/paperback/product-21031836.html.