sentences:  Pretties who work for Special Circumstances, a clique which ensures the city's security, are given an operation to make them look terrifying, become very strong and fast, and have incredibly fast reflexes.Specials also receive brain surgery to make them feel superior to others and have heightened feelings of rage and euphoria.The third novel in the Uglies series begins two months after events in Pretties, when Tally Youngblood has become a member of an elite group of "Specials" - surgically enhanced super-humans - called the Cutters.