<p>Beyond imagination. <br>A menacing stone sculpture in the middle of the Sahara. A research group lost in a labyrinth of caves. And a woman who is the only one who can interpret the cryptic signs ?<br>Amid ancient rock paintings deep in the heart of the Sahara, Hannah Peters, an experienced archaeologist, makes a startling discovery. A Medusa sculpture decorated with maps and symbols; a harbinger of a lost cult of fabulous beauty and sinister p...