It"s a snap to create dazzling messages with 12 mind-boggling black-and-white postcards. These original designs explode with circles, squares, curves, lines, and angles. Each is an incredible display of balance, asymmetry, and geometrical perfection! The special binding makes it easy to remove and mail each card ? the edges remain crisp and sharp. Это и многое другое вы найдете в книге Visual Illusions Postcards (Dover Postcards) (Dover)