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!