The Ring of Earth Young Samurai Book 4 by Chris Bradford

Jack Fletcher is on the run with no sensei to guide him he has just his wits and his swords against many new and unknown enemies as he journeys along the treacherous road to the port of Nagasaki and perhaps home... But the Shoguns samurai are hot on his trail. Barely escaping their clutches Jack runs headlong into a trap. Paperback softback