In the Clutches of the Stone Age

Vasya Matveyshchikov woke up in the Stone Age, thirty thousand years before our era! He could have been scared when a spatial window suddenly appeared before him. If so, nothing would have happened. He would not have met loyal friends. He would not have had to run away from the Forest People, fight cave bears, mammoths, and saber-toothed tigers, or save the Kamyshovy Cats tribe from unavoidable doom. All of this is dangerous, but terribly interesting. However, Vasya needs to return home. And for that, he must do the almost impossible – uncover the secret of the Spirit of Fire…