John K. Thornton 
Warfare in Atlantic Africa, 1500-1800 [PDF ebook] 

Warfare in Atlantic Africa, 1500-1800 investigates the impact of warfare on the history of Africa in the period of the slave trade and the founding of empires. It includes the discussion of:: * the relationship between war and the slave trade * the role of Europeans in promoting African wars and supplying African armies * the influence of climatic and ecological factors on warfare patterns and dynamics * the impact of social organization and military technology, including the gunpowder revolution * case studies of warfare in Sierra Leone, the Gold Coast, Benin and West Central Africa