record breakers of the air, Charles Hubbell, first printing 1939. fully illustrated and published by the saalfield publishing company, akron, ohio. no cover jacket. hardcover with front cover drawings of two airplanes in racing mode carried over to back cover, the covers show age and edge and corner wear that is within its age and color loss. binding is tight and pages and illustrations are intact and unmarked with tanning by age. edges and spine show signs of wear.