4x4 Kidoku Puzzles by KrazyDad
Each booklet contains a collection of eight different puzzles, with the answers in the back.
The books are roughly ordered by difficulty. The highest book numbers have the hardest puzzles.
All puzzles ©2005 Jim Bumgardner / KrazyDad. Feel free to reproduce the puzzles for personal, church, or school use. If you would like to publish these, or similar puzzles in a newspaper or book, or would like a larger or different selection of puzzles, contact me at firstname.lastname@example.org.
Other fun stuff...