Preparation begins during writing process. You need a notion of imagination, originality and curiosity. Too many writers are on the market and you need to give people a reason to read your book. Using editors to assist with precision, clarity, character formation and grammatical errors, polish your manuscript as best you can before sending it if necessary.
But that's just the start and there is a lot more to write than just having an exclusive manuscript of high quality. In general, to be successful you need to consider what publishers are looking for, and how to market your manuscript.
Also Visit: Traditional vs. Self-Publishing.
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