The Next Fifty Years of Flight
New York: Harper & Brothers. Hardcover. xviii, 214 p. Includes: illustrations, index. Signed by author. Inscribed by Bergaust. DJ has some wear and soiling, edge tears and chips. As visualized by Bernt Balchen. Foreword by Lt. Gen. James H. Doolittle. This work predicted supersonic airliner (1960), rocket landing on the moon (1970), unmanned aerial vehicles (1990), and Mars landing (2005). Got some of them fairly close. More