Book Features: * Ages 9-15, Grades 4-9 * 32 pages, 7 inches x 9 inches * Simple, easy-to-read pages with full-color pictures * Includes post-reading questions and activities * Reading/teaching tips and glossary included Beyond the Battlefield: In Beyond the Battlefield: Code Makers and Code Breakers, 4th--9th graders hear the stories of courageous and innovative people and groups who created--and cracked--seemingly unbreakable codes during times of war. Action-Packed Stories: Not all war heroes are fighting on the battlefield. Young readers learn about the amazing, intelligent people who created important codes during times of war and those that cracked seemingly unbreakable ones. Build Reading Skills: This engaging 32-page children's book will help your child improve comprehension and build confidence with guided post-reading questions and fun activities. Leveled Books: Part of the Beyond the Battlefield series, the grade-level text and full-color pictures make this children's book an engaging story with fun and interesting facts about code makers and innovative code breakers. Why Rourke Educational Media: Since 1980, Rourke Publishing Company has specialized in publishing engaging and diverse non-fiction and fiction books for children in a wide range of subjects that support reading success on a level that has no limits.