This wonderful book is dated 1927 and is the very popular health knowledge cyclopedia. This book was distributed by the medical book, distributors and publishers in New York. It has all of the Medical know how of the day! There are herbs and pictures of herbs, medical conditions, and pictures, some color pictures of the human body and certain conditions that inflict it. There is chapters on almost every possible medical condition of the day. The book is in very good condition with minor staining on the pages and minor issues at the cover back side and front. This is 7 inches wide by nine and three-quarter inches tall by two and three-quarter inches thick. It has 1527 pages.