Beautiful Creatures by Kami Garcia and Margaret Stohl is relating this title to the good and bad casters. Lena Duchannes hasn't been chosen yet, when you are sixteen you're chosen to be a light or a dark caster. There was a point in the book where a couple different people were calling them beautiful creatures. Each caster has a different power or gift. Some information about the authors is that Kami Garcia ia a teacher and reading specialist, she also leads book groups for children and teenagers. Margaret Stohl has an MA in english and studied creative writing at the University of East Anglia, Norwich.