Lucy Daniels: Cat in the Candlelight [2002] paperback

Animals always come first for Mandy Hope, and at Animal Ark - her parents' busy veterinary surgery - Mandy is always making new friends. Welford is in the grip of a flood when, late one night, Mandy rescues a cat washed to Animal Ark in a barrel. Where can it have come from? Despite the weather, Mandy is determined to find a home for the little cat - and to arrange some seasonal celebrations that the village will never forget!