Killer sudoku X diagonal. Numbricks puzzles

For adults. Positive energy for the brain. 2 puzzles per page. 60 Killer sudoku puzzles X diagonal 10x10 extreme levels. 60 Killer sudoku puzzles X diagonal 12x12 extreme levels. 60 Numbricks puzzles 14x14 extreme levels. 60 Numbricks puzzles 15x15 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: daily killer, how to solve killer sudoku, how to play killer sudoku, sudoku sudoku sudoku, how to do killer sudoku, sudoku game extreme, krazydad killer, sodoku knacker, multi sudoku puzzles, extreme sudoku games, mega sudoku puzzles, sudoku puzzle maker, difficult sudoku puzzles, killer sudoku brainbashers, best sudoku game, best sudoku puzzles, killersud, killer sudoku cheat sheet, sample sudoku puzzles, sudoku summer, sudoku welt, suduko for beginners, who is the killer puzzle, killer sudoku pro, big sudoku puzzles, different sudoku puzzles, the guardian killer sudoku, sudoku loeser, killer sudoku rules, sudoku tool, beachcomber sudoku puzzles, take a break killer sudoku, krazydad sudoku killer, sodakku, sum sudoku tips, krazydad killer sudoku tough, killer sudoku uk, killer, gratis sudoku, open sudoku puzzles, sudoku number puzzle, brainbashers daily killer sudoku, sudoku game 9x9. Numbricks puzzle may be called or searched with the following phrases or names: numbricks, numbrick, numbrick puzzle, numbrick game, numbrick logic, numbrick sudoku, numbricks puzzle, numbricks game, numbricks logic, numbricks sudoku, numrich, numrich parts, brain teasers for adult, brain games for adults, extreme puzzles to solve, numrich stock, daily logic puzzle, brain puzzles, numerical, brain teaser puzzles for adults, mind puzzles for adults, brain puzzles for adults, hard to solve puzzles, numerichs, puzzles hard to solve, numerch, nucanoe, hidato puzzle, nursery, hidato solver, sudoku, nuance, hidato book, hidato, numbers, hidato puzzle books, numrich, nurture, numero, numeral, hidato puzzle solver, nutmeat, hidato answers, daily hidato, legends of yore, play hidato, hidato rules, hidato game, nubrain, hanayama, beehive hidato, hidoku puzzles, hidato challenge answers, how to play hidato, happy creatures, numbrex, hidoku solver, hidato challenge. I hope you enjoy the book. Best regards, Basford Holmes