The last legion - Valerio Massimo Manfredi

The story opens on the day that the Western Roman Empire collapses finally in 470AD, as the Last Emperor of Rome is encamped protected by the Nova Invicta Legion. All is lost in the space of a few minutes as a horde of Barbarians sweep through the camp in the fog, kill the Imperial family and take the young Emperor captive. The Roman Empire is in ruins... But all is not lost. From the dust of battlefields emerges a small team of invincible warriors - The Last Legion. Their task is to rescue the Emperor and his enigmatic tutor and to try and resurrect the glory of Rome. All their strength of character and bravery come into play as they guide the last Caesar in a dramatic journey of escape through a devastated Italy and Northern Europe to their ultimate destinies in the land of the Britons... and the beginning of a new legend.