Frey and Rafi are inseparable .
In Impostors, master storyteller Scott Westerfeld returns with a new series set in the world of his mega-bestselling Uglies-a world full of twist and turns, rebellion and intrigue, where any wrong step could be Frey\'s last.
But Frey\'s very existence is a secret. two edges of the same knife. . .
Frey and Rafi are inseparable