This book contains AI Escargot, the world famous sudoku puzzle which became the most difficult sudoku puzzle known in 2006. There are also several hints for sol

I've listened to your requests. Finally, a book full of IQ Killer Sudoku puzzles and a few INSANE. Nothing easier than that! One puzzle per page. No other expla

From Nikoli, the Japanese puzzle company that created the sudoku craze, comesa title that starts at hard and goes to a level of difficulty not seen in anyprevio

Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers a

In this monster book with more than 400 mind-bending puzzles, Mepham brings his famous Sudoku and Kakuro puzzles together with three puzzles that are now taking