Interior of lobby inside Book building. Lobby has coffered ceiling, second-floor balcony and clock suspended from beam. Building directory in lobby; entrance in background. Printed on front: "The Book building, Detroit, rotunda." Printed on back: "The Book building, Washington Blvd., Detroit, Mich. The Rotunda. All floors in the rotunda are of imported travertine stone, all marble columns, finish, etc. are imported Botticino marble. The four office elevators are entirely of bronze and steel, R-68935." Handwritten on back in upper right corner: "1/27/28."