Wikipedia:The Manual of Aeronautics

The Manual of Aeronautics: An Illustrated Guide to the Leviathan Series is the fourth book in the Leviathan series, written by Scott Westerfeld and illustrated by Keith Thompson. It was released on August 21, 2012. The book is in full color, showing some of the fabricated 'beasties', character costumes and illustrations, and various 'Clanker' machines.