The secret of the Unicorn /
Herge ; [translated by Leslie Lonsdale-Cooper and Michael Turner]
- 9th American ed.
- Boston : Joy Street Books, c1974.
- 62 p. : col. ill. ; 30 cm.
- The Adventures of Tintin .
- .
Translation of: Le secret de la Licorne. Sequel: Red Rackham's treasure.
A clue hidden in a toy ship leads Tintin on a dangerous treasure hunt.