is a logic puzzle. It is a grid of points that all need to be connected by a single loop. To begin the puzzle, a few of the points are already connected to insure a unique solution. The puzzle book contain: - 200 Puzzles - Handy 6 x 9 inch Book Layout - 2 Puzzles per Page - Ideal for 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.