12—Nick Carter’s Hunt for a Treasure.

13—A Mystery of the Highway.

14—The Silent Passenger.

15—Jack Dreen’s Secret.

16—Nick Carter’s Pipe Line Case.

17—Nick Carter and the Gold Thieves.

18—Nick Carter’s Auto Chase.

19—The Corrigan Inheritance.

20—The Keen Eye of Denton.

21—The Spider’s Parlor.