The product is a comprehensive textbook on regional anesthesia titled "Clinical Practice of Regional Anesthesia" by P. Prithvi Raj, published by Elsevier-Health Sciences Division in 1991. This advanced-level educational resource is 543 pages long and is written in English. With a focus on anesthesiology, this hardcover book is designed for adult education and further study in the subject area of medical anesthesia. The detailed content and language make it a valuable reference for professionals and students in the field.