This is the book that all the great information marketers and self-publishers recommend!
Dan Kennedy, Gary Halbert, Jay Abraham etc.
George Haylings spent 48 years selling his homemade paper and ink products through the mail.
In his book A Lifetime Of Homework he goes into great detail about every aspect of his information publishing business.
I consider it a must read and have read it numerous times.
254 pages with examples of his ads, products and in-depth wisdom.
You won’t be disappointed