TECHNOLOGY & ENGINEERING / Aeronautics &

From the outset, Hynek and Vallee make their position clear: UFOs represent an unknown but real phenomenon. The far-reaching implications take us to the very edge of what we consider known and real in… [more below]

• Series: Mufon
• Author: Hynek, J. Allen
• Binding: Paperback
• Page Count: 256
• Publish Date: November 06 2023
• ISBN10: 1590033094
• Language: English