Cover of the new Scott Westerfeld book (of "Uglies" series fame). More info on his site.
It is the first in a series and is scheduled to be released in October 2009. It is going to contain 50 illustrations. How cool is that?
Lifted from his site:
WTF? Okay, Leviathan is set in an alternate world in which Charles Darwin discovered biotechnology. So the British Empire was built on the backs of strange, fabricated beasties. Living airships! Fighting kraken! Message lizards!