2019-Aug-17: Volumes 19 and 20 of Killer Sudoku are out. Enjoy!
Super-Tough Mazes by KrazyDad
Each book contains 20 mazes.
The book are in PDF format and need the Adobe Acrobat Reader to view or print. If you like these mazes, also check out my other puzzles.
LOOKING FOR ANSWERS? Aren't we all... You'll find answers for all the mazes here.
