The Episode of the Invisible Passenger
From The Arthur Conan Doyle Encyclopedia
The Episode of the Invisible Passenger is a comic strip of the Sherlocko the Monk series drawn by Gus Mager, published in Hearst's syndicated press from 4 august 1911.

The Episode of the Invisible Passenger is a comic strip of the Sherlocko the Monk series drawn by Gus Mager, published in Hearst's syndicated press from 4 august 1911.