We have his John new course  John Carlton's "Simple Writing System" is a comprehensive online writing course that teaches effective techniques for creating persuasive and engaging copy. It covers topics such as developing a unique writing voice, crafting compelling headlines, and structuring sales letters and email campaigns. The course is designed to help both aspiring and experienced writers improve their skills and boost their writing productivity.

Here:
https://turbo-courses.com/john-carlton-simple-writing-system-2024/