Hard Sudoku Puzzle Book Volume 4 - Prijzen

Creator of puzzles - Big Book Calcudoku 480 Extreme Puzzles (Volume 5)

My Big Book Of Soduku Puzzles Vol 1: 200 Difficult Sudoku Puzzles Edition

The next time you want to spend some quality time with family and friends, introduce a good game of Sudoku. Sudoku is a unique numbers game that depends on the challenge it brings to get a family toge...

Kenken Method - Puzzles For Beginners, The: 150 Puzzles And Solutions To Make You Smarter

KenKen is the world's fastest growing puzzle since sudoku. It was developed in a Japanese Classroom in 2004 by renowned educator, Tetsuya Miyamoto, and was later introduced internationally as both an...

Will Shortz Presents the Dangerous Book of Sudoku

Are you up for the challenge? Put your sudoku-solving skills to the test with this collection of ferocious sudoku puzzles! Features:· 100 challenging puzzles· Edited by legendary New York Times cross...