Saturn's Children

Blurb

Saturn's Children is a 2008 science fiction novel by British author Charles Stross. Stross called it "a space opera and late-period [Robert A.] Heinlein tribute", specifically to Heinlein's 1982 novel Friday.
The novel was nominated for the 2009 Hugo Award for Best Novel, the 2009 Locus Award for Best Science Fiction Novel, and was a finalist for the 2009 Prometheus Award. An audiobook version narrated by Bianca Amato was released in 2009.
Saturn's Children is the earliest known work of fiction to include the dwarf planet Eris as a setting.