Robert Cowley

What If?

The Cold War

What Ifs? Of American History

What If? II

The Killing Season

What If...? Vol 1 (Abridged)

What If...? Vol 3 (Abridged)

The Killing Season: The Autumn of 1914, Ypres, and the Afternoon That Cost Germany a War (Unabridged)

What If...? Vol 2 (Abridged)