The Roman Legions Recreated In Color Photographs (Europa Militaria)
Legionary: The Roman Soldier's (Unofficial) Manual
The Making of the Roman Army: From Republic to Empire
The Military Institutions of the Romans
The Roman Army: Legions, Wars and Campaigns: A Military History of the World's First Superpower From the Rise of the Republic and the Might of the Empire to the Fall of the West
Roman Army: Wars of the Empire (Brassey's History of Uniforms)
The Complete Roman Army
Around the Roman Table: Food and Feasting in Ancient Rome
Cooking Apicius