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 enthusiasts who …
Challenge yourself with number puzzles Previously unpublished quality Su Doku grids from The Times, which help develop your skills to take on Extreme Su Doku. …
Challenge yourself with number puzzles For anyone who loves the challenge of Su Doku but manages to solve them within minutes, you can now enjoy the extended mental …
Challenge yourself with number puzzles The latest volume in the hugely popular Killer Su Doku series from The Times, featuring the highest-quality puzzles with an extra …
Challenge your brain with these enjoyable puzzles. The latest title in The Times Fiendish Su Doku series – previously unpublished quality Su Doku puzzles. Includes 180 …