250 excellent, proven variations Sudoku bronze. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. In this Sudoku the same numbers cannot "beat" each other with the chess steed. A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. I would also be very grateful if you could write a review.Thank you.Best regards,Andrii Pitenko