Today, one can admire in the Library the 3696 books of Nikolopoulos's collection, which make up the core of the Historical Library of Andritsaina, and which stand out both for their rarity and for their excellent bookbinding. Paperbacks, leatherbound, bound with gold and parchment, decorated with miniature sculpture and engraving on their cover, the collection's books carry notes, signatures and dedications of prominent personalities and prominent nobles of the time. Among them are editions of ancient Greek, Latin and French writers, as well as all sorts of textbooks, from literature, history and philosophy to law, medicine and geography. Among the treasures of the collection, you will find dictionaries, rare copies of the Bible, versions in various languages ​​such as Hebrew and Aramaic, as well as engravings and scores. It is noteworthy that the books of the Ancient Greek Secretariat come from Italian typographic centers as well as from major publishing centers in northern Europe.