Three separate character scenes on cover. Scene 1: Mickey, Morty and Ferdie. Scene 2: Donald, Huey, Dewey and Louie. Scene 3: Gyro Gearloose.
Carl Barks rewrote the script for this story, sent to him by editor Chase Craig.
This story is listed as Miss-Scent in Fallberg's notes
This story is listed as Never-Fail Mail in Fallberg's notes
An enlarged version of the Mickey Mouse vignette from the front cover, flipped.