The dream to become an author was not possible in the past. Even if your message and talent were strong, the chances of getting published were narrow. It's true that most books published in the past have failed to make money, so publishers are taking a huge risk by allowing a new author to be published. It begs the question, "Why should we risk taking a chance on you?"
All of this has been changed by the online book publishing market. It's been a rapid evolution and we are only at the beginning of this iceberg. It is possible to publish your book using technology, the internet, and other self-publishing options. These companies can help you with every aspect of publishing your book, including design, layout, editing, and cover design.
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These companies will help you market your book and show you how to do so. You can also find smaller, more focused self-publishing houses that do the same thing but have the advantage of personal attention. If you are just starting out with publishing, it is possible to get some help.
Hybrid publishers are somewhere between traditional publishing and self-publishing. To be honest, my research has shown that there is no set self-publishing business model so whether they call themselves hybrid publishers or self-publishers the bottom line is they will help you get your book into print and out to the masses.
My advice is to determine exactly what you need to get your book in print and then do your shopping. The best place to start is to ask people that have already self-published. It will save you a lot of time and money.