The product is a textbook titled "Hematology: Basic Principles and Practice" by Edward J. Benz Jr., published by Elsevier-Health Sciences Division in 1994. This comprehensive book covers the subject area of Hematology with 2369 pages of in-depth information. The hardcover format and large size of 11.4 inches in length and 9.1 inches in width make it a substantial and authoritative reference for medical students and professionals in the field. The book is written in English and is a valuable resource for those studying or working in the field of Hematology.