This book is part of a book series called Inside Martial Arts .

This book has been graded for interest at 8-11 years.

This book was published 2015 by Sportszone .

Thomas K. Adamson has written dozens of nonfiction books for kids on sports, space, math, and more. He lives in Sioux Falls, South Dakota, with his wife and two sons. He likes reading and playing ball with his boys. He also likes to check scores and stats on his phone.