Code Talker: A Novel About the Navajo Marines of WWII is by Joseph Bruchac. A magnificent fictionalized account of the famous Navajo Code Talkers who created an unbreakable code used to help win WWII. This is a story long unknown and well worth being remembered. A must read for boys, but girls will find it interesting as well.
Ratings: 7th grade - 9 out of 10 - V (violence).