He was eighteen, with a bruise on his jaw and forty dollars to his name, when he stumbled into a bookshop that shouldn't exist. The old man behind the counter made him cocoa and let him borrow a book—brown leather cover, no title, pages yellowed with age.

Inside was a story about a boy who ran away from home. Not his story, but close enough to feel like a mirror. It changed his life.

Twenty-three years later, after building everything he never believed he deserved—the career, the marriage, the life—he lost it all. His wife. His hope. His reason to keep going. He went back to find the book that had saved him once before. The shop was exactly where he remembered it. The old man hadn't aged a day.

But the book was gone. "Out with another reader," the old man said. "Books find their way to the people who need them." Then he found  ...