The novel is a coming-of-age story about a young boy named John Egan who lives in Ireland with his parents. John possesses an unusual gift for detecting lies, which he believes makes him a "human lie detector." As he navigates the complexities of adolescence, his family's financial struggles, and his own emotional turmoil, John's unique ability begins to cause more harm than good. The story explores themes of truth, deception, and the lengths one will go to preserve self-identity.
The 6477th greatest book of all time