You probably already know this, that you can make money by publishing your book on Amazon. And Amazon has a specific website for you to upload you manuscript, where it will be delivered to customers through print-on-demand.
Print-on-demand means that your book will only be printed when there is a sale.
OK, maybe you were thinking about Kindle and ebook is the first thing that comes to mind. But you can also offer your book as paperback to be sold on Amazon.com.
The Kindle Direct Publishing allows authors and self publishers to upload their manuscript to be sold as paperback and / or ebook.
So I tried this recently. But I am not going for ebooks. I am only doing the paperback. The reason for this is because I am publishing public domain books and I was told by seasoned by publishers that Amazon is more strict on public domain content submissions for ebooks. This is probably because there are already a lot of them in their marketplace.
But it is still OK for paperbacks. But you have to have your unique feature to it. In most cases, this is a new book cover for the public domain book.
So here are my books on Amazon. I published a series of Sir Arthur Conan Doyle’s famous Sherlock Holmes story books.