The "Heroes of History - Maps of the United States Workbook" is a reproducible workbook and curriculum guide that accompanies the "Heroes of History" book series by Emerald Books. Published in 2005, this workbook features maps and study aids related to United States history, making it a valuable resource for young readers studying American history. The perfect-sized workbook measures 10.9 inches in length, 8.5 inches in width, and 0.3 inches in height, containing 127 pages filled with educational content related to United States history. Illustrations and activities are included to engage young minds and enhance the learning experience.