About the Book
Positive energy for the brain. 2 puzzles per page. 30 Killer sudoku puzzles 6x6 easy levels. 30 Killer sudoku puzzles 8x8 medium levels. 30 Killer sudoku puzzles 9x9 hard levels. 30 Killer sudoku puzzles 12x12 extreme levels. 30 Chain Sudoku 9x9 easy levels. 30 Chain Sudoku 9x9 medium levels. 30 Chain Sudoku 9x9 hard levels. 30 Chain Sudoku 9x9 extreme levels. 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 puzzles of easy, medium, hard and extreme levels have a lot of names: sudoku, sudoku puzzles, sudoku game, sudoku solver, sudoku extreme, sudoku easy, sudoku medium, sudoku hard, sudoku very hard, daily sudoku, play sudoku, game sudoku, extreme sudoku puzzles, hard sudoku puzzles, very hard sudoku puzzles, easy sudoku puzzles, medium sudoku puzzles, le puzzle, sudoku with answers, sudoku grid, how to play sudoku, sudoku answers, play sudoku very hard, play sudoku extreme, play sudoku hard, play sudoku easy, play sudoku medium, sudoku puzzle solver, play sudoku game, simple sudoku, mini sudoku, sudoku classic, sudoku puzzle game, super sudoku, how to play sudoku game, jigsaw puzzle, puzzle games, i want to play sudoku, sudoku challenge, sudoku pro, simple sudoku puzzle, sud0ku, find sudoku, play sudoku puzzles, play sudoku now, puzzle e, jigsaw puzzle games, brain games sudoku, play puzzle games, puzzle maker, life sudoku, sudoku number puzzle, maths puzzle games, un puzzle, jigsaw puzzel, sudoku puzzels, maths puzzles, loco sudoku, mathematical puzzles, very hard sudoku printable, extreme sudoku printable, hard sudoku printable, easy sudoku printable, sudoku card game, puzzle inlay, sudoku number game. I hope you enjoy the book. Best regards, Basford Holmes