About the book: 2020 / It’s the 15th century. The Byzantine Empire is bleeding and unable to defend its lands from the powerful Ottoman state. Cities, countries and entire nations bow before the invincible Turkish army. Few Christian rulers find the courage to challenge Muslim rule in the Balkans. One of them is the young king Vladislav. Having received the support of the Pope, he hastily gathers troops, preparing to strike at the very heart of the Ottoman Empire. The struggle takes place not only on the battlefield, but also through palace intrigues and secret alliances in which the most powerful people of this time are involved…