 His book, "Memoirs of a Janissary" () was written at the end of the 15th century, probably between 1490 and 1501, and provides a unique insight into life in the Ottoman Army of the time.Mihailović's stated motivation in writing the book was to provide a detailed account of the Ottoman state and its military structure in order to assist the Christian powers in their struggle against the Ottomans.His memoirs give no insight into his early life.