1,000 + Collection sudoku killer 12x12

Positive style. Suitable for adults. 6 puzzles per page. 500 hard. 502 extreme. Thick paper. Glossy cover. 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, extreme killer sudoku, hard 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, extreme sudoku puzzles, hard 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 extreme, sudoku expert, 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, killer sudoku solver, sudoku mania. I hope you enjoy these puzzles. Best regards, Basford Holmes