Variety Puzzle Books for Adults - 400 Hard Puzzles 9x9: Killer Sudoku, Killer Sudoku X, Killer Sudoku Jigsaw, Argyle Killer Sudoku (Volume 17)

by Dart Veider

Numerical logic puzzles are puzzles that use the numbers and the set of rules to deal with them.In this book you can find Killer Sudoku, Killer Sudoku X, Killer Sudoku Jigsaw and Argyle Killer Sudoku.
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 hard puzzle.

The variety...

• Format: Paperback
• Language: English
• ISBN: 1729835392
• ISBN13: 9781729835395
• Release Date: November 2018
• Publisher: Createspace Independent Publishing Platform
• Length: 244 Pages
• Weight: 0.73 lbs.
• Dimensions: 0.5" x 6.0" x 9.0"