"The UFO Phenomenon: Mysteries of the Unknown" is a hardback book published by Time Life Books in 1987. Authored by Time Life, the book delves into the intriguing mysteries surrounding UFOs, offering a comprehensive exploration of the phenomenon. Written in English, this hardcover book is a valuable reference for those interested in the enigmatic world of UFOs and extraterrestrial phenomena. With its detailed analysis and engaging content, it is a must-have for anyone curious about the mysteries of the unknown."