CHAPTER I
The Episode in the Plymouth Hotel
CHAPTER II
Burglary!
CHAPTER III
The Launch “Enid”
CHAPTER IV
Concerning a Peerage
CHAPTER V
An Amateur Sleuth
CHAPTER VI
The House in Hopefield Avenue
CHAPTER VII
Miss Joan Merrill
CHAPTER VIII
A Council of War
CHAPTER IX
Mr. Speedwell Plays His Hand
CHAPTER X
The New Firm Gets Busy
CHAPTER XI
Otto Schulz’s Secret
CHAPTER XII
In the Enemy’s Lair
CHAPTER XIII
Inspector French Takes Charge
CHAPTER XIV
The Clue of the Clay-marked Shoe
CHAPTER XV
The Torn Hotel Bill
CHAPTER XVI
A Tale of Two Cities
CHAPTER XVII
On the Flood Tide
CHAPTER XVIII
A Visitor from India
CHAPTER XIX
The Message of the Tracing
CHAPTER XX
The Goal of the “L’Escaut”
