4.0

Silver Blaze 4/5
The Cardboard Box 4/5
The Yellow Face 4/5
The Stockbroker's Clerk 4/5
The 'Gloria Scott' 3/4
The Musgrave Ritual 5/5
The Reigate Squire 4/5
The Crooked Man 3/5
The Resident Patient 4/5
The Greek Interpreter 4/5
The Naval Treaty 4/5
The Final Problem 5/5