1 puzzle per page. Holmes presents Sudoku and puzzles: 30 Numbricks puzzles 11x11 hard levels. 30 Numbricks puzzles 12x12 hard levels. 30 Killer sudoku 9x9 hard levels. 30 Killer sudoku 10x10 hard levels. Numbricks puzzle may be called or searched with the following phrases or names: numbricks, numbrick, numbricks puzzle, numbricks game, numbricks logic, numbricks sudoku, numrich, numrich parts, brain teasers for adult, brain games for adults, hard 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. 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, 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, hard sudoku puzzles, times killer sudoku solutions, super sudoku, daily sudoku, game sudoku, sudoku tips, sudokus, how do you play sudoku, play 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, sudoku or sudoku, largest sudoku puzzle, guardian killer sudoku today, killer sudoku techniques, killersudoku solver, sudoku games offline, how to killer sudoku, krazydad killer sudoku super tough, soduko solve, sudoku cheat, observer sudoku killer, tips for killer sudoku, grille sudoku killer, arrow sudoku puzzle, sums sudoku, sums number place, samunamupure, kikagaku nampure, sumdoku. I hope you enjoy the book. I would really appreciate it if you write a review. Best regards, Basford Holmes