With this volume, The Complete Carl Barks Disney Library loops back to Barks s earlier days, collecting the entirety of Barks s (astounding) 1948 output. The title story, The Old Castle s Secret, is notable not just for being the first full-length 32-page adventure instigated by Scrooge McDuck (in his second-ever appearance), but for featuring some of Barks s spookiest, lushest settings in old Clan McDuck castle of Dismal Downs. The other long story, The Sheriff of Bullet Valley, plunks Donald and the nephews in the Wild West, with Donald as an overconfident deputy having to deal with some...