Sudoku Grand Tour - 200 Hard Puzzles 9x9 (Volume 17)

Grand Tour is a logic puzzle.
It is a grid of points that all need to be connected by a single loop.
To begin the puzzle, a few of the points are already connected to insure a unique solution.

The puzzle book contain:
- 200 Puzzles
- Handy 6 x 9 inch Book Layout
- 2 Puzzles per Page
- Ideal for Experts

In the book you will find a description and examples of solutions for all puzzles.
The book is for those who like logic and math problems. Decide, developing and improving.