THE COMPLETE REFERENCE WORK OF 20TH CENTURY AIR COMBAT – THE AEROSPACE ENCYCLOPEDIA OF AIR WARFARE – VOLUME ONE 1911 – 1945Aerial warfare began even before World War I, although in the early days it consisted of little more than spotting and occasionally dropping bombs. All of these conflicts, large and small, are presented in the AEROSPACE ENCYCLOPEDIA [] Characteristics Book cover finish Hardcover ( square back binding ) Special features Dust jacket Condition Used very good Number of pages 256 Published date First published 1997 Language English Size 30. 48 x 22. 86 cm