Books with title The Sharp End

This is a world where it's kill or be killed. Death reigns over the world like a plague, superstitions rule and justice is a far off dream. Sable's life isn't just the daily struggle for survival, however. The struggle is infinitely harder for her. She's targeted by unknown forces and forced to join strange alliances, all in attempt just to stay alive. Through her ordeals questions arise, some that must be answered. One question rises above others: Is there a way to change such a place?

Joey isn't a normal kid. He likes to hack into people’s phones and mess with them. But one day, a group of scientist came in front of him and said his hacking skill is going to save the world. Joey’s enemy, Louie, is trying to ruin his opportunity. There’s not much time left on the clock. Will Joey save the world in time, or will Louie prevail and take his revenge?