Assuming you actually discuss literature as an adult.
  1. East of Eden
  2. Fahrenheit 451
  3. To Kill a Mockingbird
  4. The Pearl
  5. Of Mice and Men
  6. Looking for Alaska - my sisters in 8th grade and is obsessed with it
    Suggested by @luvsk8tin27
  7. The catcher in the rye
    Suggested by @luvsk8tin27
  8. A Thousand Splendid Suns
    I love Khaled Hosseini - Kite Runner might be a bit too brutal for 8th graders?
    Suggested by @rebeccaroanoke
  9. The Handmaids Tale by Margaret Atwood
    Suggested by @Aliiice