SCP-1025 is a hardcover book, approximately 1,500 pages long. The front cover and spine feature the title "The Encyclopedia of Common Diseases." The publisher's page indicates the book was printed in 19██ by █████ Press. No other copies of a book with that title and publisher have been found, and no record of the publisher exists. Readers of the book seem to exhibit symptoms of any disease they read about. The effect can take between █ and ██ hours to manifest.