Thomas Clarkson 
The History of the Abolition of the African Slave-Trade 
Volumes 1 and 2

This book, here in an edition with both original volumes, is widely considered as Clarkson’s most important work. Thomas Clarkson was an English abolitionist, and a leading campaigner against the slave trade in the British Empire. He was not only instrmuental in achieving the passage of the Slave Trade Act of 1807, which ended British trade in slaves, but also campaigned for the abolition of slavery worldwide.