Solving Number Puzzles

The Number Puzzle has exploded into the popular consciousness of Western culture in the last few years.
It has gone from an obscure Japanese game to a mass addiction. Virtually every newspaper and magazine carries a Number Puzzle these days and the bookshelves are positively littered with Number Puzzle books.

If you are a serious addict, you can even buy programs for your computer to create a seemingly infinite number of Number Puzzles.The Number Puzzle was born in the 18th century in Japan...