“The Upside Down World” is a serious philosophical parable about the sale of the soul and, in essence, about its corruption. Probably everyone has been sold or “negotiated” on this matter at least once in their life. These are today's realities. The same thing happened to the main character of the novel when he decides to betray and sell his free green world for a “successful and prosperous life.” And he pays a considerable price for this, which is equal to shame, humiliation, servility and, in the end, falling to the very bottom, from where he still tries to get out. But is this possible if the deal has already been completed?