The book has no illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Volume: 1952; Original Publisher: Washington: Published for the National Shellfisheries Association by the Fish and Wildlife Service, U.S. Dept. of the Interior; Publication date: 1947; Subjects: Shellfish fisheries