The Times Super Fiendish Su Doku Book 1
200 Challenging Puzzles from the Times
(Author) The Times Mind GamesThe puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best solving techniques to get to the end of this testing challenge. The puzzles in the collection are of the highest quality and are perfect for the advanced solver in need of a constant supply of ultra-difficult puzzles. Guaranteed to provide hours of mind-stretching entertainment.
The Times Mind Games
The Times Mind Games is a renowned publisher known for their challenging and engaging puzzles and games. Their most famous work includes the daily crossword puzzle and Sudoku. With a sleek and sophisticated literary style, they have made significant contributions to the world of mind games and entertainment literature.