Walt Disney's Donald Duck Adventures #20
In "The Old Castle's Secret," Uncle Scrooge and the ducks journey to Scotland in search of treasure hidden within the walls of the ancient McDuck castle, only to face a mysterious "ghost" visible only as a skeletal shadow. When the ghost steals the treasure and traps the group on a high balcony, the nephews must use their wits to find a hidden passage through an old graveyard and uncover the truth behind the haunting. Written and illustrated by Carl Barks, this classic adventure features his signature blend of mystery, humor, and clever plotting, with a cover by Barks that captures the story’s eerie charm.
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Uncle Scrooge and the ducks go to Scotland to find the treasure hidden in the walls of the old McDuck castle, and there they encounter a "ghost" that is invisible except for the shadow cast by its skeleton. The "ghost" soon steals the treasure and traps the ducks on a balcony a hundred feet above the ground. The nephews get down safely, find a secret entrance to the castle through an old graveyard, and expose the ghost as a thief.
Plot details indexed by the Grand Comics Database (CC BY-SA).