“Genius at Play: The Curious Mind of John Horton Conway” by Siobhan Roberts is a comprehensive biography that delves into the fascinating world of mathematics and science through the lens of renowned mathematician John Horton Conway. The book, published by Princeton University Press, offers readers a deep insight into Conway’s unique perspective and contributions to the field. With a focus on history, philosophy, and general interests, this trade paperback is a valuable resource for those curious about the life and work of this mathematical genius.