Martial arts are a form of self-defense, and are not to be used for aggression or violence. Many martial arts practiced today have their roots in Asia, but forms of martial arts were done in other parts of the world. Discover even more engaging information about the ancient sport of martial arts, in the Let's Play Martial Arts book. Martial Arts is part of the Let's Read collection of media enhanced books designed for children ages 5 to 7. These books were created to inspire beginning readers to become independent readers. The AV2 Spanish language collection gives emerging bilingual readers access to both a printed Spanish book and an eBook that provides both Spanish and English translations of the text. Simply enter the book code found on page 2 of this book at www.av2books.com to unlock your eBook. With the click of a button, this eBook can switch between Spanish and English text. Readers can use the eBook to learn Spanish or English vocabulary and sentence structure.