This is by far the best book of Sudoku puzzles I've ever done.
Great for the experienced sudoku solver who's looking for fun and challening puzzles, I highly recommend this book after trying several others that were inferior.
Most Sudoku books have puzzles from easy to hard; this book contains all difficult puzzles, taking you through the nine "circles" of Sudoku Hell.
good to know there are some really challenging puzzles out there. thanksPublished 4 days ago by Joy
Hard enough to challenge, and the grid is big enough to jot down numbers. One grid per page.
Unlike the Black Belt Suduko book which has two grids per page which makes it too... Read more
Great for an airplane gift for a friend. The were going on a trip that included an airplane ride and this helped pass the time.Published 1 month ago by havingfun
OK, but not especially challenging. They aren't easy but not particularly difficult either.Published 1 month ago by Life is good!
This is one of the best sudoku books around for hard puzzles - this is the second one I have purchased.Published 2 months ago by coolie
The book is excellent, however the first few puzzles were already done--and that wasn't noted in the description-Published 3 months ago by Jacqueline A. Maleck
Sudoku always challenges me and I love it! Its great to keep the mind going and sharp. Great puzzles to workPublished 4 months ago by Bridgett Clark
Great book! this really tests the mind and keeps the brain cells working hard. I reccomend it for all sudoku fans.Published 10 months ago by IdahoStaab
This was a gift for my son who loves Sudoku puzzles--the harder the better!!
When I saw this book, I knew it would be perfect!