Chris Bradford 
Ring of Earth (Young Samurai, Book 4) 

Young Samurai: The Ring of Earth is the fourth book in this blockbuster series by Chris Bradford .JACK FLETCHER IS ON THE RUNWith 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 Shogun’s samurai are hot on his trail. Barely escaping their clutches, Jack runs headlong into a trap. Kidnapped by ninja and led to their village deep in the mountains, Jack has no means of escape.The only question is who will kill him first – the ninja or samurai?’A fantastic adventure that floors the reader on page one and keeps them there until the end’ – Eoin Colfer