The product is a textbook titled "Introduction to Environmental Engineering and Science" by authors Davis and Cornwell, published in 1985 by PWS PUBLISHERS. This advanced-level textbook covers the subject area of Technology & Engineering, specifically focusing on Environmental Science. It is a revised edition in hardcover format, written in English and aimed at adult education and further education levels. The book provides a comprehensive introduction to the field of environmental engineering and science, making it a valuable resource for students and professionals in the field.