1.Atlas Shrugged, by Ayn Rand http://www.amazon.com/Atlas-Shrugged-Centennial-Edition-eboo...
2.The Tibetan Book of Living and Dying http://www.amazon.com/Tibetan-Book-Living-Dying-ebook/dp/B00...
Mediocre novel, tremendous ideas. The prose is a slog but worth it.
http://www.amazon.com/Atlas-Shrugged-Ayn-Rand/dp/0452011876/
For a quick 1-hour introduction, see this Dave Rubin interview with Yaron Brook:
https://www.youtube.com/watch?v=089xOB9bbhU
For fiction illustrating the principles, you could read The Fountainhead or Atlas Shrugged.
https://www.amazon.com/Atlas-Shrugged-Ayn-Rand/dp/0451191145...
https://www.amazon.com/Fountainhead-Ayn-Rand/dp/0451191153/
Or for non-fiction, try The Virtue of Selfishness.
https://www.amazon.com/Virtue-Selfishness-Fiftieth-Anniversa...
Or if you prefer podcasts addressing practical questions, try The Peikoff Podcasts:
https://itunes.apple.com/us/podcast/peikoff-com-q-a-on-ayn-r...
Or search for specific questions here
http://www.peikoff.com/podcasts/