Variety Puzzle Books for Adults - 400 Normal Puzzles 9x9: Classic Sudoku, Killer Sudoku, Sudoku Greater Than, Sudoku Consecutive

Numerical logic puzzles are puzzles that use the numbers and the set of rules to deal with them.In this book you can find Classic Sudoku, Killer Sudoku, Sudoku Greater Than and Sudoku Consecutive.
With a great variety of number Puzzles this series is ideal for brain training and keeping your mind active.
The number of puzzles in the book is 400 puzzles. This book contains normal puzzle. The variety puzzle books for adult's series contain:
- 100 Classic Sudoku
- 100 Killer Sudoku
- 100 Sudoku Gr...