The book may have numerous typos or missing text. It is not illustrated or indexed. However, purchasers can download a free scanned copy of the original rare book from the publisher's website. You can also preview the book there. Purchasers are also entitled to a trial membership in the publisher's book club where they can select from more than a million books for free. Original Publisher: The Macmillan Co. Publication date: 1916 Subjects: Serum; Immunity; Antitoxins; Toxins; Medical / Infectious Diseases; Medical / Immunology; Medical / Preventive Medicine; Medical / Toxicology