Sodoku craze adds up to book sales

Blake writes Sodoku craze adds up to book sales(Link for complete story)

Sudoku is adding up to big sales for book publishers, who are pushing out more new titles ahead of Christmas in case the number puzzle mania fizzles out.

In Britain alone, more than two million sudoku-related books have been sold since the Times newspaper first introduced the addictive puzzle to readers just last year.