The Hard SF Worldbuilding Cookbooks:

Rogue planets, to supernova, to star systems. Find prompts, pick locations, & write a story. Have the science for them, as needed.

Inspiration, then #worldbuilding.

$2.99

https://www.amazon.co.uk/Hard-SF-Worldbuilding-Cookbooks-Campfire-ebook/dp/B0GG93JW45

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