The Head of the Hydra This is an amazing book wrote by Carlos Fuentes. Do you want know about the wonderful mexican culture ? Here in Mexico the things could be a little turbid, Carlos Fuentes use his delicious prose to make a reflection of our bureaucratic problems, our popular culture, the most rooted and the most discreet. A bureaucrat is launched to a whirlwind of international espionage while Mexico swims in poisons of petroleum that were deeded by the devil.