Series
There are 2 books in the Earthseed series.
Published between 1993 and 1993, in the same order they are meant to be read.
Earthseed is Octavia E. Butler's pair of novels, Parable of the Sower and Parable of the Talents. In a collapsing near-future America, Lauren Olamina, a young woman with hyperempathy, leaves her walled community and founds a new belief system. Butler planned further books but did not complete them.
All 2 books total 635 pages.
The Books Oracle — track the series you are partway through, and see what to read next.