ROCKET RIDERS IN THE AIR, or A Chase in the Clouds. #4 in series.
Edition: First edition.
New York: A. L. Burt, (1934). Hardcover first edition - The fourth and final book in this seriesof aviation related adventures - the three friends have now all earned their pilot's licenses, but need a plane! Glossy frontispiece. 251 pp.
Condition: Very good in red cloth with black lettering, dark blue tinting to top edge of textblock.