A curse is visited upon seven members of a Peruvian archeological expedition who have brought with them an Inca mummy one by one every member falls into a Coma, puzzling the investigators.

And I do believe it is one of the best in the series as well. The Seven Crystal Balls is one of my favourites in the Tintin series. The story revolves around the investigations of a young reporter Tintin and his friend Captain Haddock into the abduction of their friend Professor Calculus and its connection to a mysterious illness which has afflicted the members of an archaeological expedition to Peru. After he was cleared two years later, the story was then serialized weekly in the new Tintin magazine from September 1946 to April 1948.

The story was cancelled abruptly following the Allied liberation in September 1944, when Hergé was accused of collaborating with the occupying Germans and banned from working. The story was serialised daily in Le Soir, Belgium's leading francophone newspaper, from December 1943 amidst the German occupation of Belgium during World War II. The Seven Crystal Balls is the thirteenth volume of The Adventures of Tintin, the comics series by Belgian cartoonist Hergé. Les Sept Boules de Cristal = The Seven Crystal Balls (Tintin, #13), Hergé The research carried out by Hergé to historically contextualize his Adventures, as well as his implicit social criticism, have made Tintin a masterpiece of the 20th century. Throughout the evolution of his star character, Tintin, we can see the progress of this author: from the first titles marked by the ultraconservative doctrine of the director of the newspaper Le Petit Vingtième, to the breaking of conventions embodied from The Blue Lotus, as well as the evolution of the society of his time. 'Hergé' is the pseudonym of George Remí, making a game with the initials of his name inverted. His work remains a strong influence on comics, particularly in Europe. His best known and most substantial work is The Adventures of Tintin comic book series, which he wrote and illustrated from 1929 until his death in 1983, leaving the twenty-fourth Tintin adventure Tintin and Alph-Art unfinished. Georges Prosper Remi ( – 3 March 1983), better known by the pen name Hergé, was a Belgian comics writer and artist.

The Seven Crystal Balls by Hergé