First edition, first impression of Twins by Mary Ellen Mark. Printed by Aperture in 2003 in very good condition. There are marks on the corners of the dust jacket and wearing to the sides, otherwise, no internal markings. 

About Mary Ellen Mark

Mary Ellen Mark was an American photographer known for her photojournalism, documentary photography, portraiture, and advertising photography. She photographed people who were "away from mainstream society and toward its more interesting, often troubled fringes"