Here’s an article from author Diane Duane about outlining. She learned the discipline of outlining when working in television, where they were a mandatory part of the process of writing. Stories were worked out in writers’ rooms, and although an individual writer would be tasked with drafting each episode. that writer wouldn’t be permitted to just submit a script that hadn’t been through an approval process.
Diane now uses a similar outline approach in writing her novels. Find out more at