The Lakeside Press
R. R. DONNELLY & SONS COMPANY
CHICAGO
TO THE MEMORY OF MY BROTHER
GEORGE EDWARD WALK
WHOSE INTEREST IN THE GROWTH OF THIS STORY
WAS NOT THE LEAST INCENTIVE
TO ITS COMPLETION
CONTENTS
BOOK I. A DUPLEX PROBLEM
CHAPTER
I. [Exit Señor de Sanchez]
II. [The First Problem Develops]
III. [A Search for Clues]
IV. [Mr. Converse Appears as Chorus]
V. [A Telegram from Mexico]
VI. [The Inquest]
VII. [The Verdict]
VIII. [Cherchez la Femme]
IX. [The Second Problem]
X. [Footprints]
XI. [A Burnt Fragment]
XII. [A Door is Opened]
BOOK II. CHARLOTTE FAIRCHILD
I. [Miss Charlotte Waits in the Hall]
II. [Miss Charlotte Entertains a Caller]
III. ["Paquita—What Do You Spell?"]
IV. [Miss Charlotte Becomes a Factor]
V. [A Decision and a Letter]
VI. [Faint Rays from Strange Sources]
VII. [A Voice in the Night]
VIII. [The Coroner's Coup]
IX. [The Light Brightens—and Dims]
BOOK III. SLADE'S BLESSING
I. [Opening Ways]
II. [Fairchild Redivivus]
III. ["The Thunderbolt Has Fallen"]
IV. [Some Loose Ends]
V. [Mr. Slade Resigns]
VI. [An Arrest]
VII. ["Slade's Blessing"]