A (double) blast from the past, History of the DC Universe and Who's Who in the DC Universe will get new editions.
http://robot6.comicbookresources.com/2009/12/dc-confirms-new-whos-who-and-history-of-the-dc-universe/
http://robot6.comicbookresources.com/2009/12/dc-confirms-new-whos-who-and-history-of-the-dc-universe/