The novel is a coming-of-age story that follows two city boys who spend their summer in the Hungarian countryside, near a place called Tüskevár, to learn about nature, survival, and self-reliance. Under the guidance of an old woodsman, they encounter various adventures and challenges, from learning to fish and hunt to dealing with the harsh realities of the natural world. Throughout their stay, they gain a deep appreciation for the environment and experience personal growth, ultimately leaving behind their naïve views and becoming more mature and responsible individuals.

The 4130th greatest book of all time