A man wakes up in a London park with no memory of his identity, only to find himself thrust into a surreal odyssey through the history of Western civilization.

The protagonist, Gog, navigates a series of bizarre and often nightmarish encounters that mirror the progression of human development from primitive times to the modern era. He is opposed by the chaotic, shifting nature of his own environment and the weight of historical figures who manifest to challenge his perception of reality. The narrative framework is highly non-linear and episodic, utilizing a stream-of-consciousness style to reflect the fragmented nature of the protagonist's psyche. The world operates on a logic of symbolic absurdity, where physical space and time collapse to accommodate the thematic exploration of human progress and decay.

Readers and critics often describe this work as a challenging, dense exploration of the human condition through a postmodern lens. Discussion frequently centers on the book's stylistic complexity and its refusal to adhere to traditional narrative conventions. Many highlight the effectiveness of the author's surrealist approach in conveying the disorientation of the protagonist. The text is noted for its intellectual ambition, though some readers find the lack of a traditional plot trajectory to be a significant barrier to engagement. Overall, the work is recognized as a distinct example of experimental British literature from the mid-twentieth century.