Exploring Maps and World - Paperback, by Core Knowledge Foundation; - Acceptable

Core Knowledge Grade 1- History and Geograpy- Exploring the West

Medieval Europe—CKHG Reader (Core Knowledge History and Geography)

The Age of Exploration—CKHG Reader (Core Knowledge History and Geography)

Exploration of North America—CKHG Reader (Core Knowledge History and Geogr...

World Lakes—CKHG Reader (Core Knowledge History and Geography)

The Civil War—CKHG Reader (Core Knowledge History and Geography)

The Thirteen ColoniesCKHG Reader (Core Knowledge History and Geography)