"The History of the Assassins, Derived from Eastern Sources" is a study of a special secret sect in the Islamic world that leaves its mark on the great history. The Austrian historian Joseph, Baron Hammer-Purgstahl examines the origin, life and activities of the Assassins in the medieval East. The book is a unique masterpiece of study of the teachings and practices of this mysterious organization, exposing many aspects of history, religion and politics associated with them. A thoughtfully researched and excellently written book that can immerse the reader in the predatory world of riddles and secrets of the culture of the East.