The puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best
150 mind-bending variations that range from mercifully mild to the uber-challenging super fiendishThe 14th installment of the "Times" Su Doku serieswill feed pu
Part of Jumbo Sudoku series, this title includes over 275 puzzles. It also includes classic Sudoku as well as Samurai, Kakuro, Killer, and 'Son of Sudoku' (Futo