Hi sci-fi and fantasy authors, I wonder if these might be useful?
The Hard SF Worldbuilding Cookbooks:
Guides for authors, gamers and worldbuilders who want their in-world science to be more than just technobabble.
https://www.drivethrurpg.com/en/product/578326/hard-s-f-worldbuilding-salvage-and-space-archaeology-bundle

