Book Marketing Mentors

What if your next reader wasn’t on Amazon… but already waiting for you on Substack?This week, Sinem Günel, bestselling Substack creator and co-founder of Write, Build, Scale, unpacks how nonfiction authors can turn Substack into a powerful engine for audience growth, idea validation, and steady income.You’ll hear how to test book ideas before you write them, build a loyal subscriber base that actually engages, and create paid content people want to subscribe to.If your book marketing feels like a one-time push, this conversation will shift how you think about long-term visibility.Key TakeawaysWhy Substack works for authors It’s not another platform to “manage.” It becomes your home base where readers return, respond, and stay connected.Build before you publish What if your book had an audience before it existed? Substack lets you test ideas and watch what resonates in real time.Turn readers into revenue Paid tiers don’t work because you ask. They work because readers feel they’re getting access they can’t get