Jennifer Lynn Barnes is an American young adult author best known for mystery-driven fiction that blends puzzles, psychology, family secrets, and high-stakes emotional tension. Her breakout success came with The Inheritance Games, a bestselling series about Avery Grambs, a... teenager unexpectedly drawn into a billionaire’s fortune, a dangerous family, and a web of riddles. Barnes has also written The Naturals, a thriller series about gifted teens recruited for criminal profiling, along with earlier paranormal and suspense novels such as Raised by Wolves. Her academic background in cognitive science and psychology gives her stories a distinctive interest in behavior, strategy, manipulation, and the way people read one another. Readers return to Barnes for clever twists, sharp protagonists, layered relationships, and plots built like games.