Metaphoric and alien race and racism

Metaphoric treatments of race relations and racism, or of specific historical examples of race relations and racism. Stories that have approached issues of race and racism on earth through the use of aliens, demons, or other kinds of "others"; or have created close parallels to racism in human or human-like societies.

• Ursula K. Le Guin, Four Ways to Forgiveness (a skin-color caste on the planet Werel; contrasted with colonized planet Yeowe which eventually had a slave uprising. Black-skinned people were the "owners", and paler-skinned people ("dusties") were the "assets". One Ekumen observer noted that to an outsider, the castes were often indistinguishable.
• "Star Trek" - The original series in particular complemented a regular crew of humans that was supposed to represent human diversity, with numerous metaphoric explorations of race and racism through visits to alien worlds and alien species.
• Kit Whitfield, Benighted (2006) (In an alternate Earth in which 97% of the population is lycanthropic, the 3% who are mutants ("barebacks") face significant discrimination.)

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