Home › Authors › Sudoku Syndication 👤 Sudoku Syndication 5 books Books by Sudoku Syndication Fiendish Su Doku 2010 The Times Difficult Sudoku Times Difficult Sudoku 2010 The Times Ultimate Killer Su Doku The Deadliest Of All Killer Su Dokus 2010 TImes Su Doku Bk. 9 TImes Su Doku Bk. 9 2009 Killer Su Doku Bk. 5 2006