Runes, mysterious symbols and mysterious rituals - their study was part of the tasks of the organization "Ancestral Heritage" (Ahnenerbe), shrouded in secrets. The new book by historian Andrei Vasilchenko is based on documents and sources that are inaccessible to most domestic readers. The author lifts the veil of secrecy over the projects that were carried out in the depths of the “Heritage of Ancestors”. The book contains unique documents, reports and works prepared by leading Ahnenerbe employees. For the first time, readers can get acquainted with developments in the field of ritual semiotics, which were made by specialists of one of the most mysterious organizations in the history of mankind.