"An epic chase. An unstoppable enemy. On a breakneck mission to rescue their AI from evil organization Razor, teen spies Swift and Hawk uncover a lead that could help them take down Razor for good. But with only a location and the word "Supernova" to follow, Swift and Hawk must use every spy trick they have in a relentless race across America. Only someone else is chasing them – and they'll stop at nothing until Swift is dead..."--Amazon.com.