Roley, Donald The Last Ninja of Koga (1329424514)
Fujita Seiko was born into a family descended from the ninja of Koga. After running away at a young age, his grandfather agreed to teach him the family art of ninjutsu. This book is his story in his words. From his time as a young brat, to his time teaching during the war at the Nakano Spy Academy and his time promoting Japanese martial arts after the war, this is his tale.