Links:
https://www.amazon.com/Earthseed-Complete-Octavia-Butler-ebook/dp/B072NZBPFG/ref=sr_1_2?dchild=1&keywords=octavia+butler+earthseed&qid=1606181636&sr=8-2
https://www.amazon.com/Liliths-Brood-Complete-Xenogenesis-Trilogy-ebook/dp/B008HALOMI/ref=sr_1_3?dchild=1&keywords=octavia+butler+xenogenesis&qid=1606181730&sr=8-3