Book excerpt: Valentine's Day means cards, candy, and laughter! This knock-knock joke book features classic puns and flaps with surprising reveals. Travel around the school, from art to music to gym, and crack jokes in each room! These Valentine's Day-themed jokes are perfect for the whole family and the flaps add a fun layer of visual humor. With new artwork from Steve Bjorkman, who has a unique ink art style and eye for visual comedy, this series is great for young comedians today. Knock, knock! Who's there? Igloo! Igloo who? Igloo my fingers together when I make Valentines!