Tintin: The Calculus Affair

“Tintin: The Calculus Affair” is the eighteenth book in the Tintin series by Belgian cartoonist Hergé. The book was first published in 1956 and tells the story of Tintin’s efforts to rescue Professor Calculus, who has been kidnapped by the Bordurian secret police.

In the story, Tintin receives a message from Professor Calculus, who is working on a top-secret project in his laboratory. When Tintin arrives at the laboratory, he finds that Calculus has disappeared and the lab has been ransacked. Tintin soon discovers that Calculus has been kidnapped by the Bordurian secret police, who are trying to force him to develop a powerful weapon for their country.

Tintin and his friends, including Captain Haddock and the Thompson twins, set out to rescue Calculus and stop Borduria from obtaining the weapon. Along the way, they encounter a variety of obstacles and enemies, including the Bordurian army and a group of international spies.

“The Calculus Affair” is widely regarded as one of the best Tintin adventures, with its complex plot, well-developed characters, and detailed artwork. The book also features a significant amount of humor and satire, particularly in its depiction of international relations and Cold War politics.