"Two Journeys to the Country of the Gorillas and the Falls of the Congo, Volume 1" by Sir Richard Francis Burton, a British explorer and writer known for his adventure travel. In this book, he shares his impressions of his expedition to central Africa, where he explores the life of gorillas, the Congo Falls, and local tribes. Burton describes in detail the nature, customs and impressions of meetings with local residents, which makes this book a fascinating sketch of wild nature and unknown corners of the planet."