Ideas
It all begins with an idea.
This module covers the process of generating ideas. It includes ideas of how to find ideas and how to combine them to create more interesting ones.
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.
Alexa Donne - Coming up with book ideas (and what to do with them)
Jane Kalmes - Generate story ideas that are marketable and fun using the double premise principle
Writing Excuses 10.1 Seriously, where do you get your ideas?
Writing Excuses 1.2 - Blending the Familiar and the Original
Recommended Texts
These are some other texts that I think are useful.
Abbie Emmons - How to come up with new and unique story ideas
Nour Zikra - How to brainstorm ideas and where to get started
Additional Texts
These are some other texts that might be useful to certain people, but are a bit more niche.
Kelleyiswriting - Giving you 20+ story ideas for your next book - lets brainstorm
If you are still stuck for ideas, this is a list of varied ideas.Writing Excuses 8.14 - Brainstorming with Brandon
Note this one is a failed brainstorming session, which is useful to see.