About the book: 1966 / ... In pursuit of a little fox, the daughter of the master's groom Oksana stumbled upon a cave where she discovered a skull, a saber, a gun, gold and.. . parchment book. Where does this treasure come from? How did he end up in the cave? Oksana found the answer to these questions after the October Revolution, when she became a student at the Faculty of History. Together with the expedition, readers will go to the Green Ravine to find out the secret of the treasure. In addition to the story, the book contains the story “The Cameo of Themistocles,” in which the writer informatively depicts the history of a work of ancient art, fascinatingly describes how the cameo was created, and how it later ended up under the ruins of the ancient cities. The book contains a lot of things that young people will learn about with interest.