Hardcover
French language
Published Sept. 3, 1993 by Casterman.
L'Affaire Tournesol (en alsacien)
by Hergé
When unscrupulous Bordurians kidnap Professor Calculus and imprison him in the remote fortress of Bakhine, Tintín, Milú, and Captain Haddock set out to rescue the professor and his latest fantastic invention.
