This 1911 antique report from the Michigan State Board of Health is a great addition to your collection. To use it, simply open the pages and read through the valuable historical information. When handling, make sure your hands are clean to avoid further soiling the cover. To maintain it, store it in a cool, dry place away from direct sunlight. This will prevent the pages from further discoloration and damage. If you notice any loose pages or other issues, it's best to consult a professional book restorer.