Category Go to the Kindle eBooks section in the Kindle Store on the Amazon website. Once you’re done with that, look at the book categories on the left side of the webpage. Try and narrow down what category you want your book to fit in. Don’t rush into this decision because it will determine what content is included in your eBook. Shortlist the ones that you want to work on instead of picking one right off the bat. It will be easier to choose from a smaller list than a larger one. Subcategory After clicking on the category of your choice, you will find a subcategory list. Use this list to help you determine what you want your book to focus on. Genre Make a note of the genres of the bestselling books on Amazon. Pay close attention to the genres that are repeated multiple times throughout the list. Consider fitting your eBook in a popular genre. Context It’s also a good idea to know the context a lot of bestselling authors base their stories on. There may be some contexts that are more interesting to people than others. The choice of context may also be dependent on current events. For example, if there’s a war going on in some parts of the world, you may find a lot of books that address the war. Some books may include stories that are based on different content, providing readers with the opportunity for escapism. Subject It’s not necessary to pay close attention to the subjects of some bestselling books, but it is good to know what people are writing about. Some topics (subjects) are more popular than others due to the times they were written and published in. If you are planning to write on a popular topic, make sure that your book provides a unique take on the subject. Your eBook won’t get much readership if you write content similar to what is already out there. What You Should Know about Sales Rankings and Competition To maximize the sales of your eBook, you must write a unique book. Now, this may sound daunting, but it’s not. We don’t mean that you have to come up with an idea that has never been done before. We just mean that you should be smart with your topic selection, and write on a topic that doesn’t have much competition. Competition, in this case, means that there are a lot of books already written on a 12