The "Encyclopedia of Building Technology" by Henry J. Cowan is a comprehensive reference book published in 1987 by Prentice Hall PTR. This hardcover book, written in English, covers a wide range of topics related to building technology and engineering, making it an essential resource for architects, engineers, and construction professionals. With 322 pages of detailed information, the book includes illustrations to help clarify complex concepts, making it a valuable tool for anyone in the field of architecture and engineering.