Mensa Absolutely Nasty Sudoku Level 4 (Spiral-bound)

by Frank Longo (Author)

Editorial Reviews

Product Description

Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)

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Product Details Spiral-bound: 160 pages Publisher: Puzzlewright (March 1, 2007) Language: English ISBN-10: 1402743998 ISBN-13: 978-1402743993 Product Dimensions: 9 x 6.5 x 0.6 inches Shipping Weight: 10.6 ounces (View shipping rates and policies) Average Customer Review: 4.9 out of 5 stars See all reviews (9 customer reviews) Amazon.com Sales Rank: #9,180 in Books (See Bestsellers in Books) Popular in these categories: (What's this?) #6 in  Books > Entertainment > Puzzles & Games > Sudoku #13 in  Books > Entertainment > Puzzles & Games > Puzzles

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What Do Customers Ultimately Buy After Viewing This Item?

	69% buy the item featured on this page: Mensa Absolutely Nasty Sudoku Level 4 4.9 out of 5 stars (9) $6.95
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	7% buy Mensa Absolutely Nasty Sudoku Level 1 4.3 out of 5 stars (10) $6.95

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Customer Reviews

9 Reviews 5 star:  (8) 4 star:  (1) 3 star:    (0) 2 star:    (0) 1 star:    (0)           Average Customer Review 4.9 out of 5 stars (9 customer reviews)		Share your thoughts with other customers:
Most Helpful Customer Reviews 31 of 32 people found the following review helpful: 5.0 out of 5 stars One of Best Sudoku Books, July 29, 2007 By  Abelard (Fort Lauderdale, FL) - See all my reviews 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. 5 of 5 people found the following review helpful: 5.0 out of 5 stars I love the pain!, April 16, 2008 By  Lisa Brandt (Sacramento, CA) - See all my reviews 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. 10 of 12 people found the following review helpful: 5.0 out of 5 stars Tough puzzles!, October 17, 2007 By  Kimberly R. Har beck (Rayong, Thailand) - See all my reviews (REAL NAME)    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.		Ad feedback   Most Recent Customer Reviews 5.0 out of 5 stars Very challenging puzzles - worth every penny These are the most challenging puzzles I have seen. Each require multiple advanced/diabolical rules in order to solve. Read more Published 1 month ago by T. Yeung 5.0 out of 5 stars Challenging I bought the puzzle book for my mom who had complained that another book she purchased that was rated 'difficult' was too easy. Read more Published 4 months ago by Busy shopper 5.0 out of 5 stars Great book for expert level players. This series is the best sudoku series available for intermediate and advanced players. The level 4 is close to level 3, but there are more puzzles with difficult linked chains... Read more Published 6 months ago by Nick D 5.0 out of 5 stars Very difficult book I enjoy this book, but strongly suggest not buying it unless you have exhausted/outgrown the other Sudoku books. This is the hardest book I have found by far. Read more Published 12 months ago by Jennifer 5.0 out of 5 stars Best tough Sudoku book 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... Read more Published 15 months ago by P. Hoff 4.0 out of 5 stars Nail biting and time consuming These are some really, really challenging sudoku. It would be nice in the next edition if we could have some descriptions on how to solve using the more complicated techniques... Read more Published 21 months ago by Dr. Ant. Search Customer Reviews Only search this product's reviews

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Product Details

• Spiral-bound: 160 pages
• Publisher: Puzzlewright (March 1, 2007)
• Language: English
• ISBN-10: 1402743998
• ISBN-13: 978-1402743993
• Product Dimensions: 9 x 6.5 x 0.6 inches
• Shipping Weight: 10.6 ounces (View shipping rates and policies)
• Average Customer Review: 4.9 out of 5 stars See all reviews (9 customer reviews)
• Amazon.com Sales Rank: #9,180 in Books (See Bestsellers in Books)

  Popular in these categories: (What's this?)

  #6 in	Books > Entertainment > Puzzles & Games > Sudoku
  #13 in	Books > Entertainment > Puzzles & Games > Puzzles

Customer Reviews

Most Helpful Customer Reviews

31 of 32 people found the following review helpful:

5.0 out of 5 stars One of Best Sudoku Books, July 29, 2007

By	Abelard (Fort Lauderdale, FL) - See all my reviews

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.

5 of 5 people found the following review helpful:

5.0 out of 5 stars I love the pain!, April 16, 2008

By	Lisa Brandt (Sacramento, CA) - See all my reviews

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.

10 of 12 people found the following review helpful:

5.0 out of 5 stars Tough puzzles!, October 17, 2007

By	Kimberly R. Har beck (Rayong, Thailand) - See all my reviews (REAL NAME)

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.