“Dear KDP Author, Just ahead of World War II, there was a radical invention that shook the foundations of book publishing. It was the paperback book. This was a time when movie tickets cost 10 or 20 cents, and books… — Amazon Kdp Copy Share Image
“Dear KDP Author, Just ahead of World War II, there was a radical invention that shook the foundations of book publishing. It was the… — Amazon Kdp Copy Share Image
