Many libraries have ebooks to check out. You do it all online. Love it, because you can get the current best-sellers (if you want), and it costs nothing.
Barnes and Noble has thousands of ebooks to download for free. Some of these are current and by pretty good authors
Also try Project Guternberg:
http://www.gutenberg.org/
And Smashbooks:
https://www.smashwords.com/
I couldn't live without my e-reader!