Your world.
This module gives an overview of worldbuilding, the process of creating a setting for your story. Even if you are writing a literary fiction in the present day, you still need to understand the implications of the exact where and when. If you’re writing science fiction? Then you have a lot more work to do!
Core Texts
These are the texts I would recommend if you don’t look at anything else. I feel they provide useful information and ideas.
Lecture #5: Worldbuilding part one — Brandon Sanderson on Writing Science Fiction and Fantasy
Lecture #6: Worldbuilding part two — Brandon Sanderson on Writing Science Fiction and Fantasy
Lecture #8: Worldbuilding Q&A — Brandon Sanderson on Writing Science Fiction and Fantasy
Recommended Texts
These are some other texts that I think are useful.