Land of Black Gold (The Adventures of Tintin 15)
Hergé
The classic graphic novel. Car engines have started spontaneously exploding all over the country . . . someone's been tampering with the oil! Tintin, with Thompson and Thompson at his side, sails on an oil tanker to the Middle East to track down the source of the faulty oil.
You can download it as an ebook, read it as a pdf if you want.