I got a letter a few days ago, asking for help with a particularly intractable Kakuro puzzle: 8×8, Volume 14, Book 99, Puzzle #8. Since my Kakuro puzzles are arranged by difficulty, this is a particularly hard one, since it is in Book 99. Here you can see where the solver got stuck: I was […]

There was a 5.4 earthquake here in southern California today, and it had a curious effect: All the heavy black areas were knocked off of my Kakuro puzzles. While they are slightly less attractive, I’m told they use up considerably less ink and toner this way, so I guess I’ll keep ’em. I hope you […]