Our Classic Series raises the bar in Sudoku puzzle books!
Each book contains steadfast Japanese proverbs throughout the book. Kanji, Pronunciation, Literal translation, and the English Essence.
虎穴に入らずんば虎子を得ず
(koketsu ni irazunbakoji wo ezu)
Literal: If you do not enter the tiger's cave, you will not catch its cub.
Essence: You can't do anything without risking something.
Try our classic Sudoku puzzles based on standard 1-5 SudokuWiki difficulty levels. Our books covers are colored to easily show the series difficulty. There are also yellow flags on the side of the cover to show the levels. Are you ready for the challenge of the next color?
