Historian Timothy Snyder examines the devastation suffered by Eastern Europe in the twentieth century at the hands of both Nazi Germany and Stalin's USSR.

By the time Birkenau's first gas chamber was switched on in 1942, more than 90% of all people to be deliberately killed by the Soviets and Nazis had already died.

While history has successfully memorialized Hitler's concentration camps as a symbol of the 20th century's mass murder, they only represent a part of Eastern Europe's tragic experience.

In this 2011 book, Timothy Snyder sets out to reposition our collective memory of the terrible crimes suffered by the 'bloodlands', the territories and people caught between the two totalitarian regimes of the Soviet Union and Nazi Germany.

A professor of history at Yale University, Snyder is also a frequent contributor to the New York Review of Books and Times Literary Supplement.

Bloodlands charts the history of the region between Moscow and Berlin from 1933 to 1945 to fully account for the mass destruction they faced from both sides.