i've mentioned sudoku before, but i'll do it again

the washington post publishes a daily puzzle as well. here's another site: suduko and sudoku duck. i have given away sudoku books and hand held electronic games. i'm hooked and several friends are hooked too! it really IS addictive (there are different spellings by the way, sudoku and suduko). there are TONS of sites out there, just look them up

A Puzzling Success: Sudoku Craze Spreads
By Miki Johnson Published: January 09, 2006 12:55 PM ET
NEW YORK You might not have realized it, but 2005 was the year of Sudoku. Hundreds of newspapers, including USA Today and the New York Post, have added Sudoku to their puzzle pages and Sudoku Web sites are everywhere. As of early December, the Publishers Weekly Bestseller List included three Sudoku books in its top 15. The folks who put out the Oxford dictionary even picked Sudoku as a runner up to "podcast" as its hot word of the year. But what exactly is Sudoku, you may ask? It looks vaguely like a crossword puzzle, with a nine-by-nine box grid, subdivided into smaller three-by-three boxes and sporting a few squares filled in with numbers. The goal is simple: Place numbers one through nine in the empty squares so that each number appears only once in each smaller box and vertical and horizontal row. Technically speaking, it's a "logic game" — but it's so addictive that it might as well be an illegal substance....