John's mother is geting married and he has to leave the reservation. John's grandfather tells him he has the special unbreakable code to take with him. This story portrays the quiet pride of a Navajo code talker as he explains to his grandson how the Navajo language, faith and ingenuity helped win World War II. Full color | Unbreakable Code by Sara Hoagland Hunter, Hardcover | Indigo Chapters