Deathworld 2: The Ethical Engineer (Illustrated): Deathworld Series

Jason is kidnapped by the self-righteous Mikah, who is determined to bring him back to the planet Cassylia, ostensibly to be tried for his various crimes but really (Cassylia does not want Jason returned, since his huge winnings have been spent and the planet has used the incident to promote the "honesty" of its casino) to help Mikah's movement to overthrow the government, which they consider corrupt. Jason forces a crash-landing on a planet where the human population has regressed. The tec...