Binairo (Binary Puzzle): 500 Easy to Hard (12x12): Keep Your Brain Young

Binairo (also known as "Binary Puzzle ", "Takuzu", "Tohu wa Vohu") is a logic puzzle with simple rules and challenging solutions. It is played on a rectangular or square grid.

This Logic Puzzles book is packed with the following features:

- 500 Binary Puzzle (12x12) from Easy to Hard.

- Answers to every puzzle are provided.

- Each puzzle is guaranteed to have only one solution.

• Includes free bonus puzzles you can download book (Tons of Sudoku Puzzles for Adults & Seniors)
• Includes free bonus puzzles you can download book (Word Search With Hidden Message: 102 Puzzles for Adults and Seniors)