"Though this is a fairly classic sci-fi story line, Luna and Vaughn's sensitive plot and careful pacing keep it exciting, especially as they strip away preconceived notions and use the tale to examine the complexities of what it is to be human. Luna's spare illustrations match the plot perfectly, particularly his ability to bring nuance and feeling to faces rendered in a very simple style. Fans of Brian K. Vaughan's Saga or anyone who loves a good sci-fi tale will find plenty