The product is a textbook titled "Image Reconstruction from Projections: The Fundamentals of Computerized Tomography" by Gabor H. Herman. Published in 1980 by Elsevier Science & Technology Books, this hardcover book is part of the Computer Science and Applied Mathematics Series. It covers the subject area of Diagnostic Imaging and is written in English with a total of 316 pages. The book provides a comprehensive introduction to the principles and techniques of image reconstruction from projections, making it a valuable resource for those studying or working in the field of computerized tomography.