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.Subtitle: Being a Condensed Resume of All Available Literature on the Subject of the Active Principles, Added to the Personal Experience of the AuthorsOriginal Publisher: Clinic Pub. Co. Publication date: 1907Subjects: Science / Life Sciences / Biochemistry; Science / Life Sciences / Botany; Science / Chemistry / General; Science / Chemistry / Organic