TY  - SER
AU  -  Herbert, Robert Gaston, 
TI  -  Air Service Boys Over the Enemy's Lines; Or, The German Spy's Secret 
AV  - PZ 
PY  - 2010///
PB  -  Project Gutenberg, 
KW  -  Aeronautics -- Juvenile fiction
KW  -  World War, 1914-1918 -- Juvenile fiction
KW  -  World War, 1914-1918 -- Aerial operations -- Juvenile fiction
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/31312
ER  -