A weird secret is concealed in the very core of Italy, an enigma rooted into a distant past: Mount Sibyl, with the eerie legend concerning the gloomy cave that once existed on the mountain-top. Is a deity or an oracular priestess concealed beneath a remote Italian peak? Why have travellers from Germany, France, Flanders and other European countries journeyed for centuries up to that cliff? What is truth hidden behind the tales of sensual damsels and unbelievable treasures? Can a connection to the old tale of Tannhäuser be established? Follow the main character of this compelling novel in his quest for the truth. A real Italian legend, once known all over Europe, is staged in 'The Eleventh Sibyl' for the delight of the refined reader.

The myth of the Apennine Sibyl is narrated by the major expert in the legends and lore of the Sibillini Mountain Range in Italy.