Malco Polia Traveller Warrior Author:Gilbert Buchanan Gilbert Buchanan's third book of The Malco Polia Quartette is Traveller Warrior Malco Polia and in the spirit of Harry Potter it shares the same uninhibited style of storytelling. It is an exciting young man's sensuous excursion through the horrific tragedies and joys of the last mid-century, travelling around the world.