DITTO, “CIVIL PILOT TRAINING”, BULLETIN #23

“THE WORLD IN THE AIR/THE STORY OF FLYING IN PICTURES”, SCARCE 2 VOLUME SET OF BOOKS ON EARLY AVIATION BY FRANCIS TREVELYAN MILLER (AUTHOR OF FAMOUS 10 VOLUME PICTORIAL HISTORY OF THE CIVIL WAR), PUBLISHED BY REMBRANT GRAVURE, NEW YORK, 1930, VOLUME I HAS 320 PAGES, VOLUME II HAS 336 PAGES, OVER 1200 ILLUSTRATIONS IN BOTH VOLUMES, FINE SET OF EARLY AVIATION BOOKS