is a logic puzzle. The task is to place a horizontal or a vertical line in every blank cell. A number in a black cell indicates the total length of the segments connected to that square. The puzzle book contain: - 200 Puzzles - Handy 6 x 9 inch Book Layout - 2 Puzzles per Page - Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles. The book is for those who like logic and math problems. Decide, developing and improving.