The thought of a lost library is a tantalizing one, as one can speculate and imagine the kind of knowledge it might provide to the person who finds it. Therefore, it is hardly surprising that there are those who have dedicated their entire lives to the search of such elusive libraries. One of these fabled lost libraries is that of the first Tsar of all the Russias, Ivan IV Vasilyevich, more commonly known as Ivan the Terrible.