New York: Simon Pulse / Simon & Schuster, (2010) dj. Hardcover first edition - The second book in the Leviathan Trilogy, a steampunk adventure series for young adults, set in a world modeled on that of World War I. Illustrated with black and white drawings and full color endpapers by Keith Thompson. Afterword by the author. 485 pp. ISBN: 978-1416971757.