Are you looking for a great nonogram puzzle book for adults? Do you like to solve that logic puzzles? Or maybe would you are thinking of making such a gift for someone else? Do not hesitate, it is the perfect picross book for you!Why this is the best griddlers puzzle book on the market?✔ it's perfect size (8x10 inches - 20x25cm)✔ one puzzle per page✔ 80 large puzzles, excellent to challenge for nonogram lovers✔ the biggest puzzle is 50x50✔ various themes: animals, hobbies, things, people and more✔ mixed difficulty levels✔ solutions included✔ guaranteed hours of great fun ✔ awesome gift idea!We recommend this book for solvers who already know basic solving strategies.