Engaging Kids' Book Cover: Santa & Dog

Need to at least chat with artist.......Puff dreams of helping Santa deliver toys while wearing reindeer costume. Looks like white Lab. Finds Sly (German Shep[hard puppy) in box under Xmas tree, and knows she means trouble. Sly chews everything , is admonished and runs away. Lost in heavy snowstorm. Dad finds and Puff helps get her home by pulling sled. Santa rewards Puff by fulfiling her dream. After lecture, Santa forgives Puff'