The Empire Duet is a two-book series written by Orson Scott Card under license from Chair Entertainment, beginning with Empire in 2006. The sequel Hidden Empire was released December 22, 2009.
Video game Shadow Complex, released in 2009, is a video game set in the world of The Empire Duet.
See also List of works by Orson Scott Card
References
External links
The official Orson Scott Card website