(1 - 20 of 45)
White House mystery, or, Nick Carter's case for the president
An emperor at bay, or, Nick Carter defies the czar
An international conspiracy, or, Nick Carter's second assistant in a new field
unsolved mystery, or, Nick Carter's government case
Despard, the spy, or, The fall of Montreal
Hirl, the hunchback, or, The swordmaker of the Santee
Jack Harkaway and the spy
Jack Harkaway trapped
Loyal to the last, or, Fighting for the Stars and Stripes
Mignon Duprez, the female spy, or, Patsy's fight for Adelina
Napoleon's Irish spy, or, Larry the Lugger