Leviathan is an alternate history of World War I. It is about what the world would be like if electricity was never used as the main power source. I think it would be good for kids ages 10 to 14. It is a war book with lots of chases and battles. The two main characters are a young Austro-Hungarian prince named Alek and a British girl air force officer disguised as a guy. It is written by Scott Westerfeld.
S.M. (age 10)