Insider Secrets from a Content Strategist & Seasoned Author – By Dr Mehmet Yildiz
Writing online has become fashionable. Not writing online has become almost shameful.
Everyone wants to do it, especially after seeing yesterday’s bank clerks earning millions today, sitting by the beach with their laptops, stringing sentences together.
The internet, blogs, social platforms, and email newsletter services have introduced the world to many new stars, people we would never have known in the pre-internet era. They unlocked their potential by typing away and sharing their thoughts.
Their success has inspired so many that soon, the number of online writers will surpass the number of online readers.
It’s easier to jump to the moon on a trampoline than to succeed in creating online content today.
Experts suggest finding your unique niche. But believe me, whatever niche you choose, it’s already taken. Even if you write about arthritis in elderly warthogs, I’m sure thousands of articles have already been written on that topic.
But that doesn’t mean all is lost.
Fortunately, there are people like Dr Mehmet Yildiz (Main).
Mehmet has been blogging online for as long as some content creators have been alive. He has accumulated a wealth of experience, which he generously shares on Medium and Substack.
I’ve been reading Mehmet’s posts for a long time, and recently, we started collaborating, which is a great honor for me.
Recently, Mehmet Yildiz wrote a book: Substack Mastery: Insider Secrets from a Content Strategist & Seasoned Author: Learn the Basics, Stay Motivated, Grow Your Paid Subscribers, & Thrive with a Community. It is available in multiple bookstores.
Upon feedback, he also created a condensed version at half price, reducing the 50000-word book to 10000 for busy writers like me. The audio version of Substack Mastery can be also helpful for busy readers.
In it, the author openly, thoroughly, and in great detail explains the strategy for creating and distributing content on the Substack platform based on his decades of writing and leadership expertise.
I’ve been publishing weekly posts on this platform for over two years, yet I read this book cover to cover and found it full of valuable insights. He has an official site to keep his readers up-to-date and provide free content for beta readers.
For beginner authors, this book is not just a must-read but should be revisited often, following the author’s advice closely. It also has advanced topics for seasoned authors starting as freelance writers on Substack.
Good luck with creating and growing your Substack newsletter, and Mehmet’s book will be an excellent support for you! I am glad he also created an audio version which I will link here soon.

2025 Update:
The author updated and extended this book, now titled Substack Mastery version 2, and also two additional advanced versions, all available in a series on Amazon markets.
What I like most is that Dr Yildiz has created his own discount book shop and offers his content as digital and audio bundles. Check out his bookstore at Digitalmehmet Content ecosystem:
https://digitalmehmet.com/bookstore
Link: Substack Newsletter Mastery, Excellence, and Eminence Series (14 books)
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Dr. Mehmet YildizDr. Mehmet Yildiz
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Substack Newsletter Mastery, Excellence, and Eminence Series (14 books)
“The Substack Mastery, Excellence, and Eminence Series brings together a comprehensive and practical collection of educational books for creators, freelance writers, book authors, content startups, and thought leaders who want to succeed on Substack with purpose, clarity, and lasting connection. This series guides readers through the full spectrum of Substack-based authorship, beginning with strategic foundations, advancing through refined communication and growth strategies, smart email marketing with content integration, and culminating in sustainable influence, leadership, and meaningful contributions to the creator economy.
These books are authored by Dr Mehmet Yildiz, a cognitive scientist, executive content strategist, and educator specializing in superlearning with decades of experience in enterprise systems, behavioral science, and digital publishing. As the founder of multiple thriving Substack and Medium publications, Dr Yildiz has walked the talk, mentoring thousands of writers and earning the trust of over 250,000 loyal subscribers on Substack. He also leads one of the most active creator communities focused on meaningful writing, credibility, and audience connection across global platforms.
In this series, Dr Yildiz shares what works—and why—based on continuous experimentation, coaching, and firsthand experience. Each book blends scholarly insight with human storytelling, helping readers develop clarity, enhance their writing skills, cultivate a dedicated audience, and remain grounded in ethics and care. The series highlights both the technical and emotional dimensions of newsletter authorship, offering tools that support long-term growth without burnout or gimmicks.
Whether you’re launching your first Substack publication, refining your message to connect with your ideal readers, or scaling your influence as a trusted voice in your niche, this series meets you where you are and provides a clear path forward. You can read these books independently or as a comprehensive progression. Together, they form a complete and actionable education for those who want to do meaningful work, write with purpose, and become respected voices in the growing digital writing movement.
This series is for creators who are serious about building something tangible and valuable, not just for views, but for trust, community, and long-term relevance.”
Some of his recent books:
The Mysterious Leadership Mind of Robert F. Kennedy Jr., Substack Mastery Version 2, Monetize Your Passion with WooCommerce, Agile Business Architecture for Digital Transformation V2, Agile Business Architecture for Digital Transformation (Audiobook), Cortisol Clarity, A Powerful Toolkit for Substack Newsletter Mastery, Smart and Ethical SEO, Train Your Brain for a Healthier and Happier Life, Modern Affiliate Marketing for Writers, 4 Pillars of Enterprise Architecture, and Smart Email Marketing Content Integration.



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