1,000 + Mega sudoku killer 8x8

Positive brain intellectual game. Suitable for adults and children. 6 puzzles per page. 500 medium levels. 502 hard levels. 8.5" X 11" Book. (215.9 mm X 279.4 mm). Thick paper. Glossy cover. Killer Sudoku 8x8 (Sum-do-ku, Sums Number Place, Kikagaku Nampure, Sums Sudoku, Samunamupure) divided by a smaller rectangle of 2x4 cells. The entire playing field consists of 64 cells. It is necessary to fill in empty cells with numbers from 1 to 8, each of the numbers should appear only once in each row, column and 2x4 rectangle. The sum of all numbers in the cells indicated by dashed lines should correspond to the number printed in the corner. I hope you enjoy these puzzles. 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, medium killer sudoku, times killer sudoku books, hard killer sudoku, 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, medium 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 medium, simple sudoku, sudoku solutions, sumoku puzzles, 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, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku. Best regards, Basford Holmes