"Prime Obsession: Bernhard Riemann and the Greatest Unsolved Problem in Mathematics" by John Derbyshire is a 448-page textbook published by the National Academies Press in 2003. The book delves into the life and work of Bernhard Riemann, focusing on his contributions to the field of mathematics, particularly in the area of number theory. With a focus on the prime obsession that drove Riemann's research, the book offers insights into one of the greatest unsolved problems in mathematics. Written in English and available in hardcover format, this book is a valuable resource for those interested in the history and ongoing challenges of mathematical research.