1994 - Seals [Sierra Club Wildlife Library] (Paperback) → Hardcover ISBN-13: 9780316322911 ISBN-10: 0316322911 Genre: Children's Books ? 1991 - Seals [Sierra Club Wildlife Library] (Hardcover) → Paperback ISBN-13: 9780316322799 ISBN-10: 0316322792 Genres: Children's Books, Science & Math ? |