Hidden History

Core Content Library: Social Studies History books tell us facts about big events. Hidden History books share with readers the important roles various men and women played in our nation's history as spies -- hidden in plain sight. Ages 8 to 12   Grades 2 to 5     Reading Level 3     32... Details
NEW! Spies in plain sight History books teach us important facts about big events that made a difference in the world. But as time passes, we discover some of the interesting hidden mystery of history. With this series, readers learn about men and... Details
Subscribe to Hidden History