Red Rackham's Treasure (French Ed.)

In The Secret of the Unicorn (1943) and Red Rackham’s Treasure (1944), which is its sequel, Tintin accompanies Captain Haddock on the trail of his illustrious ancestor, the knight François de Hadoque. The inventor of a pocket submarine shaped like a shark, one Tryphon Tournesol contributes to the discovery of the treasure, before giving the Captain the château of his ancestors: Moulinsart. Hardcover