What if no 4 at the vets is a 1000 piece jigsaw puzzle from ravensburger made from a funny and nicely drawn illustration the question in the title refers to what would happen if brett the vet would stop making house calls the image shows the consequences of that hypothesis with some humorous details in the waiting room at the vet clinic every seat is occupied with people holding their sick pets there are many standing with one older woman barely able to hold her large dog in her arm