Prit Buttar is an established expert on the Eastern Front in 20th-century military history. His previous books include the critically acclaimed Battleground Prussia: The Assault on Germany’s Eastern Front 1944-45 (Osprey 2010) and Between Giants: The Battle for the Baltics in World War II (Osprey 2013) and a definitive four-part series on the Eastern Front in World War I which concluded with The Splintered Empires: The Eastern Front 1917-21 (2017). He now lives in Kirkcudbright in Scotland.