Final answer:
Olaudah Equiano's book is an autobiography that captures his life from being kidnapped in Nigeria to his eventual freedom and anti-slavery advocacy in London, illuminating the horrors of the slave trade.
Step-by-step explanation:
The Interesting Narrative of the Life of Olaudah Equiano, or Gustavus Vassa, the African: Written by Himself is an autobiography that describes the harrowing experiences of Olaudah Equiano, who was born in the region that is now Nigeria and later kidnapped and sold into slavery. This autobiographical work provides a first-hand account of the brutality of the slave trade and reflects Equiano's life from freedom, through enslavement, and eventually to his liberation and advocacy for abolition in London. Equiano's vivid recollections serve not just as a personal history but also as a powerful argument against the inhumanity of slavery.