This Amazing Mazes Puzzle Book. Based on your selection of algorithm and complexity (which is the granularity of the grid). The most interesting mazes are created, the logic used to generate the majority of mazes you would find in a book. The mazes are in different shapes and sizes to make things a bit more interesting and most are appropriate for adults, teens and kids who like tougher puzzles. Intermediate and advanced solvers will also love these mazes. All accompanied by solutions at the back of the book. All the mazes in this book have their entrance and exit points at the top and bottom. Have fun