Revenge of Killer Sudoku

Welcome to volume 10 of the most popular series of books with Killer Sudoku puzzles - now even more fun To celebrate the 10th volume of the series, I've added 200 puzzles (instead of the usual 150) this time Contents: 100 Killer Sudoku 50 Killer Sudoku 9x9 using 0 to 8 30 Diagonal Killer Sudoku X 20 ZERO Killer Sudoku (blank cages) ...and some bonus puzzles Difficulty levels are EASY-COOL-THINKER-BRAIN-IQ. A majority of puzzles are THINKER. Almost all Zero Killer Sudoku puzzles are level IQ. All puzzles in this book are NEW. Have fun and enjoy