The Seven Crystal Balls One by one, the members of a scientific expedition recently returned from South America are struck down by a strange illness. Could these tomb raiders be the victims of an Inca curse? Tintin and Captain Haddock try to get to the bottom of the mystery.
Prisoners of the Sun In the hunt for Professor Calculus' kidnappers, Tintin and Captain Haddock are led to Peru. The country is full of surprises and the kidnappers are always one step ahead of our heroes. Finally, with the help of a young Indian guy, Zorrino, Tintin and Captain Haddock make it to the Temple of the Sun.
The Calculus Affair Mysterious happenings are afoot at Marlinspike Hall as Professor Calculus heads for Geneva and then disappears. Fearing he may be in danger, Tintin and Captain Haddock follow his trail as the plot thickens further. Spies and secret agents try to prevent Tintin from rescuing his friend, can he succeed with the help of the world famous opera singer Bianca Castafiore and some clever disguises?
Tintin and the Picaros Captain Haddock and Professor Calculus fly out to Tapiocapolis, the capital of San Theordoras, to try to secure the release of Bianca Castafiore from prison. Tintin joins them to disprove the claim that they are all plotting against the government. Amidst the chaos of a carnival Tintin helps his old friend General Alcazar and the Picaros topple the dictator General Tapioca.