Sensei Ki-yaga leads Niya and the other students of the Cockroach Ryu on a journey to beg the feudal Emperor to stop war from breaking out between the mountain ryus, putting to the test the firm friendship and unusual skills of these physically-disabled samurai-in-training.
- Genre: Juvenile Fiction
- Subgenre: Sports + Recreation / Martial Arts, Historical / Asia, Social Issues / Special Needs, General
- Age: Teen
- Publisher: Candlewick Pr
- Pages: 248
- Language: English
- Format: hardcover
- Release Date: February 8, 2011
- Date Published: February 8, 2011
- Author: Sandy Fussell
- Illustrator: Rhian Nest James