A double dose of Duck adventure for the holidays, two volumes snugged into a sturdy slipcase -- at a special price that even Uncle Scrooge couldn't resist This season's Carl Barks Library 440-page gift box collects Walt Disney's Uncle Scrooge: "The Lost Crown of Genghis Khan," in which Genghis Khan's missing crown, an expedition underground, and pirate treasure are to be found. Also: Walt Disney's Uncle Scrooge: "The Mines of King Solomon," which...