Number Blocks ("Suguru") is a logic puzzle with simple rules and challenging solutions. The task consists of a rectangular or square grid divided into regions.The rules of Number Blocks are simple, each region must be filled with each of the digits from 1 to the number of cells in the region. Cells with the same digits must not be orthogonally or diagonally adjacent.This Logic Puzzles book is packed with the following features: - 500 Number Blocks (10x10) Puzzles from Easy to Hard.- Answers to every puzzle are provided.- Each puzzle is guaranteed to have only one solution.Includes free bonus puzzles you can download book (Tons of Sudoku Puzzles for Adults & Seniors) Includes free bonus puzzles you can download book (Word Search With Hidden Message: 102 Puzzles for Adults and Seniors)