To find a great selection of Young Adult novels, including the Hunger Games and Twilight series, just visit the Young Adult section of the Central Library’s first floor (Central Downtown Branch). Here are some suggestions:
The Knife of Never Letting Go by Patrick Ness
Masquerade : a Blue Bloods novel by Melissa De la Cruz
Shadow Kiss by Richelle Mead
For other great Young Adult novels, you can search under the genre for “Teen Fiction”. Who knows, you might even be the first to discover that next popular series!