"Print on demand" technologies, which enable it to be feasible to print as handful of as 1 book in a time, have designed self-publishing (and vanity publishing) much simpler and more affordable, and has allowed publishers to keep low-selling books in print somewhat than declaring them away from print. https://best-tv-streaming-service82467.bloguerosa.com/37123433/helping-the-others-realize-the-advantages-of-wotakoi-barnes-and-noble