The "Essentials of Psychiatric Nursing 8th Edition" by Dorothy Mereness, published in 1970 by Mosby, is a rare textbook in the field of nursing and medical education. This advanced-level book covers topics in cognitive and experimental psychology, making it a valuable resource for adult and further education students. With 331 pages of revised content, this hardcover book provides in-depth insights into the subject area of psychiatric nursing, making it a sought-after item for medical professionals and educators interested in the field.