BY THE SAME AUTHOR

THE DOCTOR OF PIMLICO
THE INTRIGUERS
MADEMOISELLE OF MONTE CARLO

“Gabrielle, my poor niece,” he cried. “She’s dead—dead!”

CONTENTS

CHAPTER PAGE
Prologue[11]
I.Introduces Oswald De Gex[20]
II.The Sister’s Story[37]
III.Who Was Gabrielle Engledue?[48]
IV.Facing the Music[59]
V.The City of the Lily[69]
VI.Another Puzzle[80]
VII.The Millionaire’s Apprehensions[91]
VIII.Little Mrs. Cullerton[102]
IX.Some Plain Speaking[113]
X.Monsieur Suzor Again[122]
XI.The Absolute Facts[132]
XII.“Red, Green and Gold!”[143]
XIII.Some Interesting Revelations[153]
XIV.The Gate of the Sun[163]
XV.The Intruder[172]
XVI.Another Strange Disclosure[182]
XVII.What the Professor Found[192]
XVIII.More About the Mystery-man[202]
XIX.The Track of Despujol[212]
XX.Mademoiselle Jacquelot[222]
XXI.At the Hôtel Luxembourg[232]
XXII.Gabrielle at Home[243]
XXIII.The Death-Drug[253]
XXIV.Yet Another Mystery[263]
XXV.What the Valet Knew[272]
XXVI.More About Mateo Sanz[284]
XXVII.A Curious Story[293]
XXVIII.Love the Conqueror[299]
XXIX.Another Plot[311]
Conclusion[316]