Absolutely big font. Holmes presents Sudoku and puzzles: 1 puzzle per page. Paperback glossy cover. Large print on quality white paper easy to read. 30 Jigsaw Killer sudoku 9x9 medium levels. 30 Jigsaw Killer sudoku 10x10 hard levels. 30 Cacludoku sudoku 8x8 medium levels. 30 Cacludoku sudoku 9x9 hard levels. Jigsaw Killer sudoku. This Sudoku leads step by step to the top of the skill. It is necessary to fill empty cells with numbers from 1 to 9 (1 to 6; 1 to 8; 1 to 12), each of the digits should appear only once in each row and column of the 9x9 (6x6; 8x8; 12x12) square. The puzzle contains areas in an arbitrary form. The sum of all the numbers in the cage must correspond to the number printed in the corner. They can be called figurative or geometric, they also have names ( Jigsaw Sudoku, Killer Geometry Sudoku, Killer Irregular Sudoku, Killer Kikagaku Nanpure). Calcudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. 50% of the math signs are hidden. The puzzle can be called Square Wisdom, Kendoku. Jigsaw Killer sudoku may be called or searched with the following phrases or names: simple sudoku, sudoku solutions, sumoku puzzles, sudoku puzzles easy, sudoku puzzles medium, sudoku puzzles hard, sudoku puzzles very hard, sudoku puzzles extreme, sudoku addition, sudoku board game, greater than killer sudoku, sudoku grid, times sudoku, sudoku easy, sudoku medium, sudoku hard, sudoku very hard, sudoku extreme, difficult sudoku, sudoku of the day, sudoku hints, sum sudoku puzzles, jigsaw sudoku puzzles, la times sudoku, sudoku x, puzzle killer, krazydad sudoku, sudoku net, killer sudoku solver, sudoku mania, fiendish sudoku, daily killer sudoku main past puzzles, times puzzles killer, sudoku uk, usa today sudoku, play sudoku game, the daily sudoku. Calcudoku may be called or searched with the following phrases or names: sudoku normal, sumoku sudoku, puzzles similar to sudoku, punch clock, hitoshi puzzle, gem lites, ryukendo, tetcolor, gichtel, crazy turtle, ticbits sudoku, listen to masters, card wars, newspaper maths puzzles, polar bear escape, mnemosyne, patrick min, sample sudoku puzzles, gametimer, japanese math puzzles, sudoku with friends, hidden ships, letter ladder, week end, jigsaw master, game like sudoku with math, mathdoku 9x9, sudoku hd, su du ku, real sudoku, ghetto crew, math puzzle games like sudoku, cijferpuzzel, sudoku countdown, math games like sudoku, infinity maze, andoku 2, blocked guy, name that tune, olivia chomentowska, math puzzles like sudoku, hitoshii, japanese math games, mighty fin, gomrath, medieval escape. I hope you enjoy the book. I would really appreciate it if you write a review. Best regards, Basford Holmes