Il segreto di Cristoforo Colombo

North Carolina, on the Tennessee border. In these desolate lands, some men led by Professor Martin Navarro are looking for a mysterious “sacred cave”, guarded for centuries by the Creek Indians. Navarro has in fact discovered Christopher Columbus’ true diary: the Genovese navigator brought an ancient horror to the New World, which the professor inadvertently reawakens. And only Zagor can stop him …