Also includes The Dark Brotherhood
This flight-centric issue also features The Owl Man and The Pigeon Hustle
The J. Allen St. John cover for the first edition book can be seen here.
Some later paperback covers for this story can be seen here.
A Call from the Enchanted Seas
From 1925, this is my fifth cover for this story, and the oldest.
The Story Of A Hardboiled Beachcomber
Even the Dictators must bow down to Mr. Mystery and his torch that fires the world
Featuring Adolf Hitler, Tojo Hideki, and Benito Mussolini, along with Mr. Mystery.