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HomeSudoku BooksAbsolutely Nasty Sudoku Level 4 (Mensa) |
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| Customer Reviews: | | Average Customer Review: ( 28 customer reviews )
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Most Helpful Customer Reviews
76 of 77 found the following review helpful:
 One of Best Sudoku Books Jul 29, 2007
By Abelard
This is one of the best advanced sudoku books available. There are no puzzles at beginning or intermediate level. The paper is good quality and firm and takes pencil marks or ballpoint and erasures easily. The book is spiral bound and opens flat and easily. There are 242 puzzles of the highest degree of difficulty, two per page. The solutions at the back are all correct. If you are an advanced solver, this is an excellent book for you. It is not easy to find good, advanced sudoku books.
29 of 29 found the following review helpful:
I love the pain! Apr 17, 2008
By Lisa Brandt
As someone who searches for seriously difficult sudoku, I love this book. The puzzles are all very hard, but still require a variety of solving methods, some of which I find approachable, and others of which are truly painful, at least for me. I agree with another reviewer that it would be nice to have "speaking" solutions, that is, solutions that explain how the puzzle was solved, but solving methods vary so much by player that this is probably only a dream. There are truly no linear solution methods, which is what makes sudoku so attractive.
Compared to the many other books that claim to offer very hard sudoku, this one stands way out as telling it like it is.
I criticised the "Mensa Guide" book for its fragile binding and tiny grids, so I have to award big points for the spiral binding and large grids of this book.
20 of 22 found the following review helpful:
Tough puzzles! Oct 18, 2007
By Kimberly R. Har beck
Mostly very tough puzzles, that (like book #3) lived up to the books' name. We're very happy to have bought #3 and #4.
Question, does Mr Longo know there are duplicate puzzles in #4?
#69 is duplicated in 75, 82, 95, 99, 119, and 127.
#134 is duplicated in 202.
10 of 10 found the following review helpful:
The best level of them all! Dec 12, 2009
By gloomchen
"internet diva"
After creating a pile of completed sudoku books on my shelf, I decided to tackle the Mensa Absolutely Nasty Sudoku series. And I started at the beginning, working through every puzzle, levels 1-4. I'm almost done with level 4 now, and it has been everything I hoped it would be. I get frustrated, I get angry, I yell at the book -- and that's exactly what I was looking for. Yes, you will have to use ridiculously complicated techniques to solve these puzzles. And best of all, you will feel like you have really accomplished a feat of logic once you are done. It's spiral-bound with high-quality paper, for those who care about such things; basically, for those who are tired of flying through puzzles, this is the perfect book.
8 of 9 found the following review helpful:
Best tough Sudoku book Apr 17, 2008
By P. Hoff
"space_mission"
This is the only Sudoku book I've found where I can't do over half of the puzzles without notes. So if you want to tax your brain a bit and know about Gordian Polygons then this is the sudoku book to buy. Makes the "black belt" and "ultimate ninja" books look easy by comparison. Still all logic and no guessing required.
See all 28 customer reviews on Amazon.com
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