You are the average of the five people you spend the most time with. When a stranger utters these words to Allegra Bird, it turns her highly ordered life upside down. In her current life as a parking warden, she has left her eccentric father and unconventional childhood behind for a bold new life in the city. But a single encounter leads her to ask the question she's been avoiding for so long... Introducing one of Cecelia Ahern's most unforgettable heroines.