Судоку - today the most popular in the world game, the number of admirers of that grows by leaps and bounds. It is a merry, dynamic, quite unboring gymnastics for a mind, allowing to develop the logical thinking, training to think brightly, creatively, non-standard. The rules of game are simple enough : a player must fill the free fields in a table measuring 9 on by 9 numbers from 1 to 9. I am, however, main condition: in any row or column, and also in none of "мини-квадратов" - group of the fields measuring 3 on 3, by that the main field is divided, - numbers must not recur.In this book you will find three hundred variants of судоку. Here are both simple puzzles for beginners and more difficult - for experience players. By means of the "Large book of судоку" you will be able at first to capture base skills of game, and then to walk up the highest level of mastery.