Review: Christine Seifert's THE PREDICTEDS

If you liked the subject, try:
Lauren Oliver's Delirium
OR
Neal Shusterman's Unwind
If you liked the voice, try:
Laurie Halse Anderson's Speak

Review: Maggie Stiefvater's THE SCORPIO RACES

If you liked the concept, try:

Kristin Cashore, Graceling

If you liked the voice, try:

Robin McKinley, The Hero and the Crown