By Toshitora Yamashiro. Over 30 pages of information-packed pages of Ninja training, formulas and diagrams on Ninja concealment through the use of smoke devices. Also included are descriptions of where to hide and explanation of how to use various smoke devices to ensure cover at critical times. With the on-point instruction contained within this concise volume, the reader can learn and use these methods in emulating the ancient art of Ninjitsu. 34 pages. 8.5" x 11".