The novel is a psychological exploration of the mind of a man living in isolation on an island in the Baltic Sea. The protagonist, a fisheries inspector, is intellectually superior to the local population and struggles to maintain his sanity amidst the ignorance and superstition of the islanders. His mental state deteriorates as he becomes obsessed with the idea of a sea monster lurking in the depths, symbolizing his own repressed desires and fears. The story is a deep dive into the human psyche and the effects of alienation, paranoia, and existential dread.

"My Life as an Explorer" is an autobiographical account of a famous Swedish explorer's adventures across Central Asia in the late 19th and early 20th centuries. The book includes vivid descriptions of his encounters with diverse cultures, dangerous wilderness, and ancient civilizations. The author also shares his experiences of mapping uncharted territories, surviving harsh climates, and uncovering archaeological treasures, providing readers with an intimate glimpse into the life of an explorer during this era.