Join the world's most famous travelling reporter in his exciting adventures as he braves an ancient Incan curse in the two-part story The Seven Crystal Balls and Prisoners of the Sun, and investigates espionage in the Middle East in Land of Black Gold. The Seven Crystal Balls. The world's most famous travelling reporter is faced with an ancient Incan curse, which is causing its victims to fall into a life-threatening coma. The tomb of Rascar Capac has been unearthed! But one by one, the finders fall into a terrifying coma. Can this be the curse of the Inca gods? Tintin must somehow fathom out the meaning behind his only clue: the shattered crystal ball lying beside each of the victims...Prisoners of the Sun When Professor Calculus is kidnapped, Tintin and a desperate Captain Haddock set off to Peru on a rescue mission, braving runaway train carriages, yellow fever and avalanches. Then they must find an ancient Inca tribe if they are to find their great friend. Land of Black Gold Boom! Doctored petrol is blowing up vehicles all around the country.