Read "Heart of Darkness" by Conrad, Joseph for free. A classic public domain work covering africa -- fiction, degeneration -- fiction, europeans -- africa -- fiction. Available in full text from Project Gutenberg.
Africa -- Fiction
Degeneration -- Fiction
Europeans -- Africa -- Fiction
Imperialism -- Fiction
Psychological fiction
Trading posts -- Fiction
This book is in the public domain. Free to read and download from Project Gutenberg.