For this thing you will explore SJLibrary’s ebook site and get an idea of the types of titles you can find here. Take a look around and locate a few titles of interest.
1. Visit sjlibrary's ebooks (FYI: It's a quick link on the home page)
2. Explore Project Gutenberg. As well as e-texts this site has human-read and computer generated audio ebooks and digitized sheet music.
3. Create a blog post about your findings.