If you like ANDY WEIR'S THE MARTIAN, HUGH HOWEY'S WOOL, AND the BBC's Doctor Who, you are going to Love CITADEL.


It’s been more than a century since humanity escaped the overpopulation of Earth, expanding out among the stars. We’ve faced and overcome war with an alien race. We’ve survived terrorist attacks meant to end colonization. We’ve thrived despite population division, separating the wealthy from the working class.

Now for the hard part.

A lone colony of human castaways, led by a former alien enemy, finds itself at the mercy of a saboteur and a plot to end humanity’s unrestricted access to the stars. This could be the finale of the colonies and the end of a species—though which species is a little up in the air.

Everything depends on how smart—and how forgiving—humanity can actually be.