Based on a very small sampling of internal Knock Knock team dads. No ordinary guest book, this throne-room tome offers provocative prompts and ample doodle space to help your guests express themselves for posterity. Who hasn’t had a deep thought on the can? Unique housewarming gift becomes a one-of-a-kind keepsake. Helps even verbally constipated friends to be effortlessly witty. Padded hardcover with foil stamping, ribbon page marker; 112 pages. Knock Knock is an independent maker of clever gifts, books, and whatever else we can think up. Our mission is to bring humor, creativity, and smarts to everyday life. Put the fun in functional with Knock Knock stuff!