Mostly through posting valuable content on the newsletter and sharing it across various channels, as well as comments like this where I can plug the book and newsletter in the right context.
It also helped that the book was published on Holloway.com, and they had their own audience that they have been able to promote their titles.
It also helped that the book was published on Holloway.com, and they had their own audience that they have been able to promote their titles.