"Iceland is really the center of action for me," Roni Horn has said. "Since I grew up in New York people think I'm escaping from all its lunacy. Not at all. When I go to Iceland that's where I get nervous, where I think: 'Oh my God, this is intense.'" Horn's new book Herdubreid at Home is a collection of photographs of the Icelandic landscape. As with previous works by Horn, its focus is specific: the book concentrates on Iceland's beloved...