Nonogram Puzzle Book For Dog Lovers: A Logic Math Game Also Known As Hanjie, Japanese Crosswords, Griddlers, Picross, Paint by Numbers, Pic-a-Pix, Pri (Paperback) (ISBN-13: 9798680682883)

Nonograms are also known by other names, including Paint by Numbers, Griddlers, Pic-a-Pix, Picross, PrismaPixels, Pixel Puzzles, Crucipixel, Edel, FigurePic, Grafilogika, Hanjie, Illust-Logic, and Japanese Crosswords. If you know how to play one of these, then the rules are the same

As you progress through each puzzle a image will start to appear. This puzzle book contains 40 x 40 puzzles which are great for image quality and create the perfect challenge ranging from medium to hard.