Unconventional Flying Objects

 Paul R. Hill – First Edition – Excellent Condition

This is a highly collectible first edition of Unconventional Flying Objects, the groundbreaking scientific analysis of UFO performance written by NASA aerodynamicist Paul R. Hill. First published in 1995, this book has become one of the most respected works in serious UFO research and remains essential reading for anyone studying propulsion, flight physics, and unexplained aerial phenomena.

Condition Highlights

First Edition, 1995
Published by Hampton Roads Publishing. This is the true first appearance of Hill’s complete scientific manuscript.

Excellent physical condition
The book has a tight binding, clean interior pages, and no markings, tears, stains, or writing. The dust jacket is present and in very good condition with only light shelf wear.

Scientifically grounded content
Paul R. Hill was a respected NASA scientist and flight dynamics expert. His analysis of UFO motion, acceleration, structural design, and propulsion remains unmatched for its engineering depth and clarity. This book is valued by researchers, physicists, pilots, and historians.

Contains Hill’s original diagrams and sketches
Many drawings in the book are reproduced directly from Hill’s personal research materials, making this volume both historically and scientifically important.

One of the most sought-after serious UFO research books
Unconventional Flying Objects continues to increase in value as interest in technical analysis of UAP grows, and first editions in excellent condition are becoming increasingly hard to find. $195