In John Irving's "Avenue of Mysteries," the narrative unfolds through the life of Juan Diego, who reflects on his past in Mexico while traveling to the Philippines. The novel blends themes of memory, identity, and the impact of one’s upbringing on their future. As Juan copes with the complexities of his past, he confronts elements of faith, sexuality, and the struggle for understanding within the human experience.
The book explores profound connections between present and past, emphasizing the weight of history on personal growth. Throughout his journey, Juan grapples with relationships and self-discovery, echoing the struggles faced by characters in literature, including those in Hawthorne's "The Scarlet Letter," wherein the burden of sin and societal judgment shape lives.