A few years before the fall of the Berlin Wall, spook-turned-novelist Edwin Lemaster reveals to young journalist Bill Cage that he'd once considered spying for

Contains questions and activities based on the television show.

How did the United States move from a position of nuclear superiority over the Soviet Union at the beginning of the 1960s to one of nuclear parity under the doc

Contains questions and activities based on the television show.

Artwork by Sophie Calle. Text by Paul Auster.