Story Spine Resources
https://www.aerogrammestudio.com/2013/06/05/back-to-the-story-spine/
https://www.aerogrammestudio.com/2013/03/22/the-story-spine-pixars-4th-rule-of-storytelling/
https://www.aerogrammestudio.com/2013/03/22/the-story-spine-pixars-4th-rule-of-storytelling/