The latest volume in the Killer Su Doku series from the puzzle suppliers to The Times features the highest-quality puzzles with an extra element of arithmetic.

Challenge your brain with these enjoyable puzzles. Specially compiled to provide the most deadly Su Doku challenge, this is the only volume for Su Doku enthusia

WORLD OF SUDOKU CONTAINS 120 HANDCRAFTED SUDOKUS WITH EIGHT DIFFERENT VARIANTS LIKE ODD EVEN SUDOKU , THERMO SUDOKU , KILLER SUDOKU CONSECUTIVE PAIRS SUDOKU , A

The long-awaited sequel to the Huge Killer Sudoku book is finally here, with 50 "Medium" puzzles, 50 "Tricky" ones, 75 "Difficult," 15 "Very Difficult," and TEN

Have you worn out all of your pencils mastering ever-changing Sudoku puzzles? Have you stepped up your game to the next level and now seek something a little mo