The rebel crossover

This book starts off with a girl named Blake. She's part of a group that survived the disease that wiped out most of mankind, or so thought the different groups around the world.

Blake's job is to collect certain people from each community to form a group to take replace the government in those communities and to settle communication between them.

This book as the following series in it:

The hunger games
The testing
The maze runner
Divergent