Passion For Puzzles

After more than 500 posts it's time to celebrate this with a link to a Sudoku e-book in pfd-format you can download for free. In this Mega Sudoku Puzzle book there are 500 Sudoku puzzles, 100 Sudoku puzzles for each of the five level (easy, medium, hard, insane and very-very-hard). Solutions for all Sudoku puzzles are included [note: follow the link and click on the download button on the bottom of the page]. This Sudoku book will keep you busy for a long time!
If you need some guidelines on how to solve Sudoku puzzles you can go to Passion For Puzzles.
http://www.passionforpuzzles.com/solution/sudoku.php

Tags: Sudoku