First published in English in 1972 Tintin's enquiry regarding a mysterious chemical that added to petrol increased its explosive qualities tenfold leads him to Khemed where he comes face to face with one of his arch enemies, Doctor Mller. Tintin has to save Abdullah, the son of the Emir of Khemed, who has been kidnapped by Mller. English Softback Current publications vary between Egmont and Farshore due to change of publisher. Picture is for illustration only. Tintin Land of Black Gold Softback Album