The Times Fiendish Su Doku Book 9: Volume 9 (Paperback) (ISBN-13: 9780008136437)

The 200 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. They're guaranteed to provide hours of mind-stretching entertainment.

Author: The Times Mind Games
ISBN-10: 0008136432
ISBN-13: 9780008136437
Publisher: Collins
Language: English
Published: 03/01/2016
Pages: 320
Format: Paperback
Weight: 0.48lbs
Size: 7.70h x 5.00w x 0.90d