About the Book
Positive energy for the brain. 2 puzzles per page. 60 Killer sudoku puzzles 10x10 extreme levels. 60 Killer sudoku puzzles 12x12 extreme levels. 60 Chain Sudoku 8x8 extreme levels. 60 Chain Sudoku 9x9 extreme levels. Chain sudoku ("Strimko", "Gyrus Sudoku") is a square consisting of circles. The goal is to arrange the figures in circles so that in each horizontal and each vertical all the numbers are different. In the links of one chain all the numbers must also be different. Unique puzzles. Only 1 verified solution. All answers are at the end of the book. Killer sudoku may be called or searched with the following phrases or names: sudoku, sum sudoku, killer sudoku books, times killer sudoku, sumdoku, sudoku books, easy killer sudoku, times killer sudoku books, killer sudoku puzzles, puzzle, the times killer sudoku books, times ultimate killer sudoku books, sudoku 9x9, killer sudoku puzzle books, killer puzzle, sumoku sudoku, sudoku puzzels, sudoku game, sudoku puzzle books, daily killer sudoku, daily sudoku killer, sudoku puzzles, sudoku for kids, easy sudoku puzzles, times killer sudoku solutions, super sudoku, daily sudoku, game sudoku, sudoku tips, sudokus, how do you play sudoku, play sudoku, sudoku solver, how to do sudoku, the times ultimate killer sudoku, play killer sudoku, sudoku answers, ultimate killer sudoku, how to play sudoku, sudoku rules, sudoku challenge, how to solve sudoku, sudoku puzzle solver, su doku, jigsaw sudoku, sudoku solution, sudoku easy, simple sudoku, sudoku solutions, sumoku puzzles, sudoku puzzles hard, sudoku addition, sudoku board game, greater than killer sudoku, sudoku grid, times sudoku, sudoku very hard, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, sudoku hard, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku, sudoku net, sudoku medium, killer sudoku solver, sudoku mania, fiendish sudoku, daily killer sudoku main past puzzles, times puzzles killer, sudoku uk, dkm sudoku, usa today sudoku, play sudoku game, the daily sudoku, sudoku billions, sudoku x wing, lovatts sudoku, sudoku k, sudoku name, how to solve sumoku puzzles, guardian sudoku, guardian killer sudoku, telegraph killer sudoku, sudoku cage. I hope you enjoy the book. Best regards, Basford Holmes