- AudiobookThe Summer of 1940Charles River Editors
- AudiobookThe Western Allies’ Procurement of Nazi Germany’s TechnologyCharles River Editors
- AudiobookThe Luftwaffe and the Royal Air ForceCharles River Editors
- AudiobookWorld War I on the GroundCharles River Editors
- AudiobookThe End of World War II in EuropeCharles River Editors
- AudiobookBenito Mussolini and Francisco FrancoCharles River Editors
- AudiobookThe DiadochiCharles River Editors
- AudiobookThe Avars and MagyarsCharles River Editors