The South African book market is smaller than most of the world. The only figures I can get are that we are 44th in the world for book sales.
Creating an audio book is another way to get your hard work out to the market and they are not just for blind people.
Ebooks are the electronic version of your book distributed by thousands of different suppliers through the internet.
Once the book is published you should send a copy to the National Book Library
ISBN (International Standard Book Number) is a code that identifies your work anywhere in the world.
If you have a publisher they will handle everything after the work leaves your computer.
If you have self published your book you will need to get it onto the shelves of the bookshops to make sure you sell it.
A literary agent provides a number of very useful services for you with the experience that you may not have in the industry.
Congratulations, you have now joined the ranks of the famous and not so famous, who have been rejected by a Publisher.
When a publisher publishes your book you will expect to sign a contract that will include a clause about having first choice to publish anything else you write for a given number of years.