THE SIXTH KEY (Rosicrucian Quartet Book 3)

‘By the Power of these keys the Head of the Church will be made the Lord of Hell.’

In late 2012 a cryptic invitation leads a crime novelist to Venice’s Island of the Dead. Seventy four years earlier a similar cryptic invitation brings Grail Historian Otto Rahn to an apartment in Berlin.

What awaits him will change his life forever. He is sent on a hunt for Le Serpent Rouge, a notorious book of black magic written by a Pope, a book Himmler wants to add to Hitler’s library.

But there are others looking for the grimoire. A shadowy circle of men are watching Rahn’s every move, and they will stop at nothing to possess the book and the legendary key that unlocks its terrifying power…

The Sixth Key has been described as a three dimensional game of chess with real characters, a time machine that will change the way you see the world and the impulses behind war forever.

‘In the tradition of The Da Vinci Code, Adriana weaves a tale of Esoteric Intrigue in THE SIXTH KEY.’
Cairns Post

‘Koulias weaves an intelligent plot that keeps you guessing till the end’
Goodreading Magazine

‘It had me hooked from the first page.’
Sisters In Crime

‘A Gripping novel, recommended for those who love the genre and want to immerse themselves in a good reading adventure.’
Letterature e Cinema

‘An Addictive Thriller’
Libri Blog

THE SIXTH KEY is a richly dense, well constructed novel with a dynamism and excitement that make the pages typically cinematic, sliding like the frames of an Indiana Jones film, the eruption of unimaginable twists and the coexistence of Science, Faith , Philosophy, Religion, Art and the Esoteric create the right atmosphere to whet the appetite of readers looking for a good adventure to read.’
Libri di Scriveri