Mr Greene, if you read your reviews, please publish more of these books. I only have two puzzles left in your second edition and I'm starting to get the shakes! It's so hard to find puzzles that are a challenge. I adore these.

Like the first volume, Peter Greene's 2nd book of samurai sudoku puzzles is great fun! The puzzle are symmetrical and pleasing to the senses. The page size is comfortable for working the large puzzles and the paper is a good for the inevitable erasures. Very few of the puzzles leave you with several sets of pairs, which result in having to guess and check.

Mr. Greene says if you do two puzzles a week, the book will last almost a year. Well, who can be limited to two a week? Maybe I'm just getting better at doing these puzzles, but I got through the whole book in a couple or three months.

I enjoyed this collection of puzzles. I don't think the puzzles are as hard as the author claims, "all the puzzles in this book are hard" maybe 20% are more involved; it is true that the last third of the puzzles are more difficult than the fist third, but it took me only 30 minutes to do puzzle number 100.

On the plus side, the author managed to avoid all of those annoying "choose a number and see what happens" tricks that some sudoku books are full of. A number of the puzzles had some very interesting logic sequences which were fun.

The secret to Samurai Sudoku is the central puzzle; solve it and the puzzle reduces to 4 independent sudoku puzzles. I believe that in most cases, once the central puzzle was solved, the remaining puzzles were much too easy. The author typically puts 30+ clues in the outer puzzles. I really think they should have been reduced to lower 20 or high teens.

Nonetheless, I consider this a book worth purchasing, it took me just under two months to finish the book in off hours and at bedtime, and how can you go wrong with two months of fun for only $9.99.

this book is for the more advanced sudoku player-lots of fun

This is a great book. Ever since I did book one, I was immediately hooked. It is great.