Alien: Universal Matter (Ivor Powell) unmade follow-up to Alien and prequel

[Baron Von Marlon]

https://alienexplorations.blogspot.com/1979/02/ivor-powell-wrote-summary-for-alien.html

Certainly sounds interesting. Even though it all sounds a lot like Alien: Engineers.
Hope we can all read it one day.

Apologies if there's already a topic on the subject. Or if is this in the wrong section.