From: "Augie De Blieck Jr." Date: 2007-04-03T03:46:27+09:00 Subject: Re: Logic puzzle generation APress has a book called PROGRAMMING SUDOKU that might be up your alley: http://www.apress.com/book/bookDisplay.html?bID=10111 "This is a fun, intriguing read whether you're a novice or advanced programmer. It acknowledges the.NET platform as a base, but you'll find this book interesting whatever your programming background. The core techniques in the book enable you to solve Sudoku on any programming platform." -Augie