Following the kidnapping of Professor Calculus in The Seven Crystal Balls, Tintin finds himself near Lima in Peru. Accompanied by his best friends once again, the little reporter passes through Andean villages and over snow-capped mountains, dodging the dangers of the Amazonian rainforest before managing to find the Temple of the Sun. Hérgé crafted a classic and mature adventure story full of archaeological discoveries. He was passionate about travelling and exotic locations, and derived immense pleasure from helping his readers to discover great civilisations and lost worlds.