This little gift book contains fill-in-the-blank lines to describe why your grandpops is tops. Just complete each line and voilà: you have a uniquely personal gift Grandpa will read again and again. Make it as nostalgic, loving, or grumpy as you choose! Hardcover with removable clear plastic jacket; 4.5 × 3.25 inches; 112 pages. The easiest way to say "love you forever". Knock Knock is an independent maker of clever gifts, books, and whatever else they can think up; their mission is to bring humor, creativity, and smarts to everyday life.