Please note that all blog posts before 8 April 2007 were automatically imported from LiveJournal. To see the comments and any LiveJournal-specific extras such as polls and user icons, please find the source posting at http://brianenigma.livejournal.com/2007/01/There is a surplus of sudoku books available at most bookstores. They all have one thing in common: they have a … Continue reading Sudoku Theory