This diminutive hardcover volume is the perfect personalized gift for someone you miss. Simply fill in the blanks and create a longing, lovey-dovey, or lol-y message. With its removable plastic jacket, the book measures 4.5 × 3.25 inches and contains 112 pages. Whether for long-distance relationships or faraway friends and family, this gift is sure to be cherished. Knock Knock, an independent maker of clever gifts, books, and more, aims to bring humor, creativity, and smarts to everyday life.