In a book on wide historical material told about development of the medieval secret societies, created by people, that aimed to master and apply mystic knowledge far going out outside the dogmas of their dogma in practice, the sources of their conflicts are represented with ruling circles. It and тамплиеры is militant monks that proved devotion of the religion and her truth by force of arms, and ассасины - first a monastic military order is in an islam, that, distributing the dogma, removed on busy to them territory the hands of мулахидов, fanatics-killers, moslems and christians without the special analysis.Besides тамплиеров and ассасинов, this historical research narrates about the secret tribunals of Вестфалии, known also as courts of фемы are original committees of vigilance of citizens managing a secret court and absolutely carrying out sentences in Middle ages, when lawlessness reigned in Germany.Becoming classic research of the English historian Thomas Кейтли, different deep penetration in a theme, is of interest for every curious and inquisitive contemporary.