292 p, Presentation of empirical historical data on Britain’s transatlantic slave economy and society supports the legal claim that chattel slavery as established by the British state and sustained by citizens and governments was understood then as a crime, but political and moral outrage were silenced by the argument that the enslavement of black people was in Britain’s national interest. Slavery was invested in by the royal family, the government, the established church, most elite families, and large public institutions in the private and public sector. Citing the legal principles of unjust and criminal enrichment, the author presents a compelling argument for Britain’s payment of its black debt, a debt that it continues to deny .