Jack Vance - The Face
cover art by David Russell
Kirth Gersen tracks Lens Larque across several worlds, most notably Aloysius, the desert world Dar Sai and the more temperate Methel. He eventually learns that Larque is a rachepol Darsh, born Husse Bugold, who became a notorious criminal renowned for his magnificent, if often grotesque and horrifying, jests.
The Demon Princes Series
The Face is part 4 of 5 of The Demon Princes Series
The Demon Princes is a five-book series of science fiction novels by Jack Vance, which cumulatively relate the story of one Kirth Gersen as he exacts his revenge on five notorious criminals, collectively known as the Demon Princes, who carried his village off into slavery during his childhood. Each novel deals with his pursuit of one of the five Princes.