Trenton Colman is exceptionally creative, with a knack for all things mechanical. But his talents are viewed with suspicion in Cove, a steam-powered city built inside a mountain. In Cove, creativity is a crime, and invention is a curse word.

Kallista Babbage is a repair technician and daughter of the notorious Leo Babbage, who died in an explosion - an event the leaders of Cove point to as an example of the danger of creativity.

Working together, Trenton and Kallista learn that Leo Babbage was developing a secret project before he perished. Following clues he left behind, they begin to assemble a strange machine that is unlike anything they've ever seen before. They soon discover that what they are building may threaten every truth their city is founded on - and quite possibly their very lives.

  • Binding: Audible Audiobook
  • Product Group: Audible
  • Product Type Name: DOWNLOADABLE_AUDIO
  • Manufacturer: Shadow Mountain
  • Release Date: 2015-09-29