The benefits of this association are major advanced technologies, including effective interstellar travel, genetic engineering, nanotechnology, and terraforming.

The League's cardinal rule is that sentient beings who do not sufficiently respect life are not allowed to travel between solar systems.

During her adolescence, the Oolom population was nearly wiped out by a plague before her father discovered a cure for it; at 40, her residual survivor guilt leads her to join the Vigil, a Demoth-wide organization of ombudsmen.

At the SF Site, Rich Horton praised Gardner's depiction of Faye as "less than perfect but still likable", and called the book "enjoyable" and "fast-moving", but faulted it for its "elaborate edifice of motivations and plots" (while conceding that the "coincidences are generally well explained", and that the book has a "fairly tightly constructed denouement").

[2] At the New York Times, Gerald Jonas described Faye as "engaging", with an "unquenchable spirit and pure heart", but noted that the narrative "stops for nothing, not even common sense", and that it is "wish-fulfillment fantasy of a high order".