First you want to make sure that people are actually buying books in this niche. That software tool is Publisher Rocket. However, if you've written one book on Bass Fishing and another book on Sewing, the chances that the bass fisherman is interested in a book on sewing is very very slim.
Twitter is a great platform for your eBook and yourself: Your readers can follow you; and you can respond to them. I hope this guide proves to be helpful to anyone out there looking to publish their eBook on Amazon! The title is your chance to capture the attention of a potential buyer and intrigue them enough to buy the book.
I highly recommend that you go and check out the demo video hereit's very powerful. A book with an Amazon best seller rank of 10, or higher is most likely selling less than 10 copies a day and perhaps much less just depending on where it ranks.
Finished with your copyright page?
The easiest way to do this is either use Microsoft Word or Pages for Mac. By going to the Kindle Short Reads you will only see the books selling well that are under a certain length.