How well do we know the people we love? When Fergus suffers a stroke, he forgets almost everything from his life. Then his daughter Sabrina discovers his marble collection, which he never told her about. The collection is missing its most valuable pieces, and Sabrina sets out to find them. It turns out that Fergus had many more secrets, all seemingly connected to the colorful marbles. But if her father is not the man she thought he was, what does that mean for Sabrina's own life? 'The Marble Collector' is a touching father-daughter story where big dreams and emotions are reflected in small glass spheres. The poignant novel by the empathetic bestselling author Cecelia Ahern from Ireland.