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MR. MARX’S
SECRET

BY
E. PHILLIPS OPPENHEIM

Author of “Mr. Grex of Monte Carlo,” “The Double Traitor,” “The Illustrious Prince,” etc.

WITH FRONTISPIECE BY
F. VAUX WILSON

BOSTON
LITTLE, BROWN, AND COMPANY
1916

Published, January, 1916
Reprinted, January, 1916 (twice)
February, 1916

Printers
S. J. Parkhill & Co., Boston, U.S.A.

“I am going to put that beast out of his misery,” he answered.
Frontispiece. [See page 132.]