Breakthroughs in Mathematics (Signet Science Library) by Peter Wolff
1963. First Printing. 285 pages. Pictorial paper cover. Black and white illustrations throughout. Binding remains firm. Pages and illustrations are lightly tanned throughout. Minor markings to some pages. Paper cover has moderate edgewear with small tears and creasing. Slight curling to corners. Paper worn away to top edge of front cover. Wear marks overall.