A Wrinkle in Time is a combination coming-of-age and science fiction story. It centers around Meg Murray, a shy and awkward teenager; her younger brother, Charles Wallace, a five-year-old super genius who provides many insights during the book; and Calvin O'Keefe, the older neighbour boy who joins them on their adventures. The story is a classic good-versus-evil tale, although the battles don't center around swords and fighting but rather mind manipulation and being strong in the face of evil. L'Engle's unique take on the science-fiction world combined theology, strength of character and the folding of space-time, creating an intensely loved novel by people the world over. Peppered with characters like Mrs Whatsit, Mrs Who and Mrs Which, transcendental beings who help the kid on their journey, the story lends itself to many different types of readers.