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 (8x8) from Easy to Hard.
- Answers to every puzzle are provided.
- Each puzzle is guaranteed to have only one solution.