AR Book Level
5.4
AR Points
0.5
Word Count
1,640
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
226806 EN
About this book
In 1915, German Zeppelin airships were bombing London and they seemed unstoppable. They flew too high for the British biplanes to shoot them down. But they had a weakness. They were filled with explosive gas.