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. Title: Tables for Azimuths, Great-Circle Sailing, and Reduction to the Meridian: With a New and Improved "Sumner" Method- Latitudes 90 N. to 90 S., Declinations 90 N. to 90 S.; Original Publisher: Wellington, N.Z.: John Mackay; Publication date: 1911; Subjects: Azimuth; Navigation; Great-circle sailing; Sumner's method