Numerical logic puzzles are puzzles that use the numbers and the set of rules to deal with them. In this book we can find Binary, Slitherlink, Shikaku, Sukrokuro etc.The number of puzzles in the book of 400 puzzles. This book contains hard puzzle.The book consists of various types of numeric puzzle games: Binary, Slitherlink, Shikaku, Sukrokuro, Greater than, Akari, Kropki, Mine, Hidoku, Sujikai.In the book you will find a description and examples of solutions for each type of logical puzzles and solve all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.