The cover of the book 'Becoming New York's Finest: Race, Gender, and the Integration of the NYPD, 1935-1990' by Andrew T. Darien. The cover features a black and white photograph of a police officer in uniform with a stern expression, and a group of people in the background, possibly police officers and civilians. The title of the book is prominently displayed at the top, with the subtitle 'Race, Gender, and the Integration of the NYPD, 1935-1990' below it. The author's name is at the bottom of the cover.