The Duplicate

William Sleator's 'The Duplicate' is a thrilling science fiction novel for young readers, exploring the ethical dilemmas and terrifying consequences of cloning. David, a teenager, discovers a device that creates perfect copies, which he uses to juggle social obligations. However, his plan backfires spectacularly when his duplicates develop independent wills and increasingly malevolent intentions. The story delves into themes of identity, responsibility, and the nature of self, offering a fast-paced, suspenseful narrative that will keep readers engaged. While listed for ages 4-11, the complex themes and suspenseful plot are best suited for the upper end of this range, or even slightly older middle-grade readers.