Freedom in White and Black: A Lost Story of the Illegal Slave Trade and Its Global Legacy

By 1808, both Britain and the United States had passed laws outlawing the transatlantic slave trade. Yet the trade covertly carried on. In the summer of 1813, in what is now Liberia, a compound of slave pens was bursting with sick and anguished captives, guarded by other African slaves. As a British patrol swooped down on the illicit barracoon, the slavers burned the premises to the ground, hoping to destroy evidence.

This story can be told because of an exceptional trove of court document...