The Queendom of Sol
The Queendom of Sol is a science fiction book series by Wil McCarthy. It includes:
The first two novels of the series was also printed together as The Monarchs of Sol by Science Fiction Book Club.
The Queendom referred to is actually the present-day Kingdom of Tonga. In the Queendom of Sol, humanity has returned to monarchism as a stabilizing force in the face of accelerating technological change.