Beyond the Empire: A Guide to the Roman Remains in Scotland by Andrew Tibbs
Though Scotland was never successfully conquered by the Roman Empire, the lands north of Hadrian's Wall nonetheless include many Roman sites that bear witness to Rome's attempts to impose her will over the whole of Britain. Beyond the Empire offers a complete listing of all 330 known Roman sites in Scotland, including location maps, details of notable archaeological finds, what is visible on the ground, and how to visit them.