Duckling Gets a Cookie!?, The-Pigeon series

Much to the chagrin of Pigeon, little Duckling uses very polite manners to request a cookie, and actually gets one. Filled with righteous fury, Pigeon loses his temper and complains bitterly about this terrible state of affairs. However, things aren't what they seem, and Duckling has a secret plan! Part of the bestselling Pigeon series by genius children's book author and illustrator Mo Willems.