Readers find 'Numéro deux' a touching exploration of the life of the boy who almost became Harry Potter, offering a poignant look at his journey through the shadows of what could have been. While the book captures interest with its unique premise and character development, some readers felt the narrative was predictable and lacked imaginative depth. The story is generally well-received for its readability and emotional engagement, though it starts slowly and the conclusion may seem simplistic to some.

👍 Unique premise and emotional depth

👎 Starts slowly and may lack imaginative depth