SF worldbuilding? These are for you:

The Hard SF Worldbuilding Cookbooks:

From nova to alien rainbows, this series offers visuals, details & prompts. Write - have the science as needed.
Inspiration, then #worldbuilding

https://www.drivethrurpg.com/en/product/511567/star-systems-bundle

#autho #ttrpg #shamelessselfpromo