This is an extremely rare and hard to find illustrated booklet on questions and answers on UFOs. During the dawn of the UFO age, the United States government could not identify correctly those mysterious flying objects published a 40 pages booklet entitled: Aids to identification of flying objects (1968). As a result that this saucer menace could be otherworldly beings or secret communist weapons, they decided to publish this booklet as a guide for properly identifying these flying objects. This title has the following chapters: INTRODUCTION, SHAPE, METEOROLOGICAL AND ASTRONOMICAL FACTORS, RADAR SIGHTINGS, PHYSIOLOGICAL ASPECTS, PSYCHOLOGICAL FACTORS, VISUAL PERCEPTION, QUESTIONS AND ANSWERS, BIBLIOGRAPHY. Saucerian Publisher was founded to promote Flying Saucer, Paranormal, and the Occult books. Our vision is to preserve the legacy of literary history by reprinting editions of books that have already been exhausted or are difficult to obtain. Our goal is to help readers, educators, and researchers by bringing back original publications that are difficult to find at a reasonable price while preserving the legacy of universal knowledge. This title is an authentic reproduction of the original US Airforce's Aids to identification. This book is a facsimile reproduction of the original printed text in shades of gray. Because this material is culturally important, we have made it available as part of our commitment to protect, preserve and promote knowledge in the world. This book has been formatted from their original version for publication to letter size. IMPORTANT, although we have attempted to maintain the integrity of the issues accurately, the present reproduction could have missing and blurred pages poor pictures due to the age of the original scanned copy. Because this material is culturally important, we have made it available as part of our commitment to protect, preserve and promote knowledge in the world. Please, copy and paste for our books: https: //saucerianbooks.blogspot.com/