Celts V Romans Book One: Diarmid's First Battle

Diarmid is a Briton form the Cantiac tribe of the South East. He and his friends are preparing to face their adult rituals when a threat comes from across the channel, a threat of the very worst kind. The news from the Gauls is that the Romans plan to invade the Britannic Isles, once they have conquered Gaul. A force must be sent to Gaul to help them in a great battle, to drive the Romans Out. But there are traitors at home, who must be dealt with quickly. But which tribe are they? What is their plan? Will Diarmid and his friends be brave enough to face these trials? Will Aedan the Druid have the wisdom to guide them? OR will the life, and the people, they love be destroyed by the Roman power?