A collection of 400 Su Doku puzzles. Perfect for the solver in need of a steady supply of absorbing, brain-stretching entertainment.
Varying levels of difficulty with fiendish and difficult puzzles as well as easy and mild. You don’t need to be a mathematical genius to solve these puzzles; it is simply a question of logic.
The Times Su Doku is the original and best. Each puzzle leads by logic to a unique solution so that no guessing is necessary.