El cetro de Ottokar
"King Ottokar's Sceptre" was first serialised in "Le Petit Vingtième" from 4 August 1938 to 10 August 1939 under the title "Tintin En Syldavie" ("Tintin in Syldavia"). It would prove to be the last Tintin adventure to be published in its entirety in "Le Petit Vingtième". From 14 May 1939, the story was also serialised in the French Catholic newspaper, "Cœurs Vaillants".