To join or not to join the continent of 'Europe' in the form of the Roman Empire resonates with Britain's current question of whether to leave or remain in the European Union. The theme in its own particular way runs through this accomplished new novel by Linda Proud, 'Chariot of the Soul'. Togidubnus is the son of a British king and his Druid wife. It is a doleful marriage, born of the king's abduction and rape. He grows up in the light of his mother and in the shadow of his father before he is sent into exile to Rome, aged ten, as a hostage for Verica's, his father's, loyalty in pre-invasion Britain. He grows up in the home of Antonia, sister to Augustus, watchful of the unfolding family tragi-comedy that is the birth of the Empire and as a friend to Claudius who, exaggerating his infirmities, survives to become Emperor and the conqueror of Britain. Togidubnus is, also, friend and student of Seneca, Roman senator, and Stoic philosopher and one...