201 Giant 15 x 15 Sudoku Puzzles.
Sudoku has taken over the world. The simple 9 x 9 puzzle has spread everywhere to become the most unexpected and spectacular success, but if you're finding sudoku a bit tame these days then Monster Sudoku is the answer.
Monster Sudoku contains the numbers 1 9 but also the letters A F, creating a monster 15 x 15 square. The 201 puzzles in this book range from Delicious, through Pernicious, Malicious and finally the eye-wateringly hard Vicious Monster Sudoku. They are designed to perplex and frustrate you, to obsess you and, finally, to alienate you from your friends, family and pets. Good luck!
