"Uglies" is a dystopian young adult novel written by Scott Westerfeld. The book is set in a future society where every individual undergoes a mandatory surgery at the age of sixteen to become "pretty". The story follows Tally Youngblood, a teenage girl who is eagerly awaiting her upcoming operation and the opportunity to become pretty like her friend Peris.
However, Tally's plans are disrupted when she meets Shay, another teenager who is skeptical of the pretty regime and the oppressive society in which they live. Shay introduces Tally to a group of rebels who live outside the city and refuse to undergo the surgery. Tally is torn between her desire to fit in with her peers and her growing awareness of the problems with the society she lives in.
As Tally becomes more involved with the rebels, she begins to uncover the truth about the pretty operation and the government's true intentions. She discovers a shocking conspiracy that threatens to destroy everything she has ever known and puts her and her friends in grave danger.
"Uglies" is a fast-paced and action-packed novel that explores themes of conformity, identity, and freedom. The book has been praised for its vivid world-building, compelling characters, and thought-provoking ideas. It has been a popular choice among young adult readers and has spawned a successful series of sequels and spin-offs.