Sudoku Puzzle Book of Fun: Number Brain Game Challenges in Bloomington, MN

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
- Moderately Hard
40 Sudoku Puzzles
- Hard level
30 Killer Sudoku Puzzles
- Extreme difficulty; worksheets included to help solve Killer puzzles
This collection is ideal for the whole family. While you are having fun solving the puzzles, your brain is being exercised, too. This helps to improve memory, logic skills, and concentration.