The product is a textbook titled “Radiation Detection: Concepts, Methods, and Devices” authored by Douglas S. McGregor and J. Kenneth Shultis. This hardcover book, published by CRC Press, focuses on the subject areas of technology and engineering as well as science, specifically in the field of nuclear engineering and radiation detection. The text is written in English and covers various concepts, methods, and devices related to radiation detection, making it a valuable resource for students and professionals in the field. Tear of cosmetic cover of spine, resulted from accidental drop, seen in photos. Priced to sell as is, perfectly fine for use. Brand new copy.