6MR. ERRINGTON
22TWO BLACKGUARDS
7THE LIVERPOOL MYSTERY
23THE REGENT'S PARK MURDER
8A CUNNING RASCAL
24THE MOTIVE
9THE EDINBURGH MYSTERY
25FRIENDS
10A TERRIBLE PLIGHT
26THE DE GENNEVILLE PEERAGE
11"NON PROVEN"
27A HIGH-BRED GENTLEMAN
12UNDENIABLE FACTS
28THE LIVING AND THE DEAD
13THE THEFT AT THE ENGLISH PROVIDENT BANK
29THE MYSTERIOUS DEATH IN PERCY STREET
14CONFLICTING EVIDENCE
30SUICIDE OR MURDER?
15CHAPTER XX
31THE END
16THE DUBLIN MYSTERY