Robert Cowley

What If...?

2009

What ifs? of American history

2004

The rulers of Britain

1982

The Great War

2004

The Cold War

2009

What If? America

2005

The collected What if?

2005

Reader's Companion to Military History

2001

No end save victory

2002

More what if?

2014

Killing Season

2025

Experience of War

1993

With my face to the enemy

2003

With my face to the enemy

2001

Why Anything - Why Not Nothing

2019

What If?

2000

What Ifs? Of American History

2004

What If...? Vol. 1

1999