https://hasmarkpublishing.com/

Casey Demchak is an award-winning copywriter and a recognized expert at writing high-performance marketing materials for dozens of authors who have reached Amazon bestseller and even international bestseller status. Casey is best known for his innovative approach to creating Core Message Platforms™ that serve as the “master messaging document” for a book’s primary marketing content. Casey is author of the book, Essential Sales Writing Secrets, and he has been the copywriter on seven marketing communication projects that have won American Advertising Awards.  Casey is an independant contractor.