Here are some of his main works:
* The White Sands Incident: This book, published in 1963, is his most well-known work. It describes his alleged encounter with aliens near White Sands, New Mexico in 1957.
* The Fry Papers: This collection of articles and essays contains Fry's writings on various topics related to his extraterrestrial experiences, including physics, philosophy, and social commentary.
* The Coming of the Guardians: This book details Fry's beliefs about the existence of a benevolent extraterrestrial civilization and their plans for humanity's future.
* The Universe and You: This book explores Fry's theories about the nature of reality and the interconnectedness of all things.
It's important to note that Fry's claims are considered pseudoscience and have been widely debunked by the scientific community. Nevertheless, his writings have gained a following among UFO enthusiasts and those interested in alternative perspectives on the universe.