As a new author who polished and completely edited his work, designed his cover design art and self published his work, the first thing he can and should do as is to get some great reviews. Amazon is considered to be the largest book seller for self published authors, making new authors to greatly benefit from getting their book reviewed by Amazon Top Reviewers which will promote their book by generating more exposure, feedback and more content about it.
Simply type in Google search : Amazon Top Reviewer list. It will take you to Amazon's page that displays all official Amazon reviewers. Study their profiles and see who deals with the book of your genre. You can also do a search in Amazon under "people" and type in "book reviewers" then a list will be displayed, look on their profiles, some of them will show websites or emailing addresses. Send them a polite note, stating who you are and the name of your book and ask them to review your book. In this case, send them a hard copy of your book so as them for their mailing address. The more reviews you get the more buzz about your book it will promote, helping your book markering as a result.
Look out for reviewers, and contact those who are prone to give good reviews and not the ones who give harsh critisizm about books in past. Your goal is to have many reviews displayed on Amazon. After your books are reviewed, readers tend to pass around a word about you book and your audience will grow. Thank your book reviewer after you have your book reviewed by him or her for she just helped your book promotion campaign.