|Publication date||January 28, 2014|
| Preceded by|
Nowhere to Run
| Followed by|
Breakaway is the title of the 2nd book of the Unstoppable series. It was revealed by author Jeff Hirsch on the 21st of June 2013 on the Message Board. It will be followed by Countdown and then Flashpoint, the final book in the series.
"Now Dan and Amy are facing their greatest threat yet, an enemy who has found a way to use the source of the Cahill family power against them. To stop him, Dan and Amy must set out on a desperate mission that will take them from one of the world's hottest regions all the way to the frozen blast of the Arctic Circle. But with the enemy closing in , Dan finds himself facing the one terror he never imagined - being betrayed by his own sister."