Cover art
Westerfeld, Scott. Leviathan. Simon & Schuster/Simon Pulse 2009.

Westerfeld, Scott. Leviathan Series
Series note: Supposedly to be a trilogy. Leviathan is published and Behemoth announced.

Westerfeld, Scott. Leviathan
Series note: First volume of the Leviathan Series.
Published: Simon & Schuster/Simon Pulse 2009 (1416971734BUY), 2010 (1416971742BUY); Simon & Schuster UK 2009 (1847385192, 1847386520), 2010 (1847386741); Thorndike 2010 (141042572X).

Westerfeld, Scott. Behemoth
Series note: Second volume of the Leviathan Series.
Published: Not yet published; expected from Simon & Schuster UK in September 2010 (184738675X) and Simon & Schuster/Simon Pulse in October 2010 (1416971750BUY).