Ugo and Sim Sim are stories about the everyday life of a brother and sister living in Lagos, Nigeria. Ugo is a handsome and friendly six year old boy. Sim Sim is his cute and outgoing five year old sister with Down syndrome. Together they take on daily challenges as they learn about life. Book 1 “What is Down syndrome?” of the Ugo and Sim Sim series, not only explores and explains Down syndrome, but does so from the perspective of the sibling.