Walking Tours Books
- Flight of Eagles: The Story of the American Kosciuszko Squadron in the Polish-Russian War 1919-1920 by Robert F. Karolevitz
- Hadrian's Wall by Brian Dobson
- Hadrian's Wall AD 122-410 by Nic Fields
- My War Memories 1914-1918 by General Erich Ludendorff
- Tannenberg: Clash of Empires, 1914 by Dennis Showalter
- The Eastern Front 1914-1917 by Norman Stone
- The Eastern Front 1914-1920 by Michael Neiberg
