From Substack to Book Deal: A Playbook for Substack Writers

In 2025, the quickest path to published isn’t a viral TEDtalk or hit podcast. It’s having a growing Substack. Publishers are actively scouting innovators and thought leaders in their fields with engaged audiences, as well as founders who treat their newsletter like a book-in-progress.

If you’re interested in growing an audience on Substack and transforming your newsletter into a book, here’s the playbook you need to get you from posting to published.