Head over to Amazon and search for some books about your topic. Have a quick look at the Table of Contents section of the books (to give you an idea of what topics were covered), and more importantly, read the reviews that were left by readers. Negative reviews will often reveal the topics that readers were hoping would be covered (or covered in more detail) in the book, but were not.
For some users, a content management system requires too much technical know-how as well as actual work to build a website. If you’re looking for a simpler solution to get a website up and running, your best bet is probably an online website builder. These tools usually rely on a drag-and-drop website builder interface, which is more intuitive than many content management systems. They also come with a number of pre-made and optimized templates to streamline the website-building process. SiteGround vs Bluehost: Which One Is Right For YOU? [Pros & Cons]