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. Original Publisher: Cold Spring Harbor, N.Y. Press of the New Era Print. Co.); Publication date: 1912; Subjects: Juvenile delinquents; Heredity; Criminals; Degeneration; Eugenics; Heredity, Human; People with mental disabilities; Delinquents; Science / Life Sciences / Genetics