Tintín Mammoth Publ. P/Bs..Calculus Affair (1999)/Secret of the Unicorn (1990).
The Adventures of Tintin by Herge with 2 titles published in the 1990s. - `The Calculus Affair`(1999). - `The Secret of the Unicorn`(1990). see photos for details. The 2 titles with year of publication are as follows .