This exciting novel is a brilliant blend of fantasy, myth and history. In AD 60 the Roman Empire occupies Britannia, destroying its ancient culture. Under the leadership of Boudicca, the Iceni rise up against Nero's forces but it is a losing battle. Yet the Druids are masters of nature, and in a final desperate strategy to avoid slavery, the priests summon their greatest magic to open a portal into an alternative world. One last Celtic tribe, the Ordoveteii, race to cross the threshold...