The Adventures of Tintin - Land of Black Gold (1950).

Part of the thrilling Tintin story book collection, the Land of the Black Gold tells the story of Tintin's enquiry regarding a mysterious chemical that, added to petrol increased it's explosive qualities tenfold and leads him to Khemed where he comes face to face with one of his arch enemies, Doctor Müller.

Tintin has to save Abdullah, the son of the Emir of Khemed, who has been kidnapped by Müller.

A Tintin Paperback.