The Peppa Pig Book Box Set with 6 hardcover picture books. Durable and fantasric - Hardcover ADVENTURE SET by Candlewick Press includes a picture book titled "Peppa Pig and the Treasure Hunt". Published in 2016, this juvenile fiction book features humorous stories and action & adventure themes. With illustrations by Candlewick Press Staff, this book is part of the Peppa Pig Ser. series and is a fun addition to any child's book collection.