This book can’t count as literature, but I sure enjoyed every minute of it.
About a year ago I stumbled across “irregular Sudoku” books in Brazilian newsstands.
Of the many variations on the game, I enjoyed “Killer Sudoku” the most.
In addition to the regular Sudoku rules (filling a 3x3 square with the numbers 1 to 9), this game contains few if any number clues and involves much more arithmetic.
It’s HARD and a good alternative if you’ve become bored with regular Sudoku.
The book pictured is
the only one I have found in the U.S. so far. It’s more difficult than the ones I am used to (I almost always have to look in the answer pages to make sure I’m on the right track), but it’s still a blast. When I finished it, I turned right around and ordered a second copy!
