Ladders Social Studies 4: Native Americans of The Great Plains (below-level)
Ladders Social Studies 4: The Great Lakes (on-level)
Ladders Social Studies 4: The Gulf Coast (above-level)
Ladders Social Studies 5: The Inca (below-level)
Ladders Social Studies 5: The Pueblo (above-level)
Daily Life through Trade: Buying and Selling in World History
Voices of the American Indian Experience