Sequel to the groundbreaking Machine Rendering, The Book of Iron showcases the latest and greatest work in mechanical rendering and design by some of the world's leading artists in the field. The book is conveniently divided into two sections: Automated Machines and Manned Machines. The first part covers robots, androids and other self powered technology.

The second part includes spaceships, transport vehicles, weapons and equipment. With multi-angle concept sketches, models, details and interviews, unique access is granted to the creative process of these talented artists as they experiment to perfect their visions and breathe life into their creations utilizing a variety of materials and techniques.