The Illustrated World of Mortal Engines is a 224-page reference book published by Scholastic, expanding on the Traction Codex. Written by Philip Reeve and Jeremy Levett and designed by Jamie Gregory, it will feature illustrations from a variety of artists. Ian McQue and David Wyatt have both also designed covers for the Mortal Engines series. Other featured artists are Amir Zand, Rob Turpin, Aedel Fahkrie, Philip Varbanov and Maxime Plasse.

Community content is available under CC-BY-SA unless otherwise noted.