While Barry is never directly encountered in the story, he is a significant figure in the narrative. He is a young author whose struggles with writer's block and a divorce mirror Leigh Botts's own experiences. Leigh, the main character in the book, writes letters to Mr. Henshaw, the author of his favorite book series, seeking advice. The letters reveal that Leigh is particularly drawn to Barry's story because he relates to the character's experiences.
Although Barry is fictional, he serves as a crucial source of inspiration and hope for Leigh. His story helps Leigh confront his own challenges and ultimately find his own voice as a writer.