How does Santa Claus manage to come down the chimneys? Nobody knows. However, we have some ideas… The award-winning duo Mac Barnett and Jon Klassen create an enjoyable, humorous story that provides possible answers to the most pressing question of Christmas: How does Santa Claus come down the chimneys? When Santa arrives at a child's house on Christmas Eve, does he come down the chimney head first or feet first? And what if he gets stuck? What if there is no chimney at the house? Does he slide under the door like a thin piece of paper? Or is it possible that he sneaks through the pipes and comes out of the faucet? What happens when he finally gets inside the house? The iconic writing talent of Mac Barnett and Jon Klassen's irresistibly funny illustrations honor this timeless question with answers that are as hilarious as they are plausible, sure to be enjoyed by both young and old readers alike.