Publisher's Synopsis
A delightful collection of 150 brain challenging puzzles, ranging from easy to more difficult levels. Complete instructions are included, with detailed picture examples. Each book contains:
- 20 Sudoku Puzzles - Easy level
- 30 Sudoku Puzzles - Moderate difficulty
- 30 Sudoku Puzzles - Moderately Hard
- 40 Sudoku Puzzles - Hard level
- 30 Killer Sudoku Puzzles - Extreme difficulty; worksheets included to help solve Killer puzzles