Numerical logic Puzzles are Puzzles that use the numbers and the set of rules to deal with them.
In this book you can find Straights , Numbricks , Suguru and Calcudoku .
The Variety Puzzle Books for adult\'s series contain: - 100 Straights.
This book contains Puzzles from easiest to hardest.
The number of Puzzles in the book is 400 puzzles.
With a great Variety of number Puzzles this series is ideal for brain training and keeping your mind active.
Numerical logic Puzzles are Puzzles that use the numbers and the set of rules to deal with them.
In this book you can find Straights , Numbricks , Suguru and Calcudoku