The Letter That Moved

A document that could start a war leaves a dispatch-box and comes back — forge the route.

The Prime Minister will say only that a letter is gone. Holmes must reason it out of hiding and back into the box. Build the chain.

Drawn from The Adventure of the Second Stain (The Return of Sherlock Holmes, 1904) — read the summary & analysis, or try The Turned Carpet, this story's analysis tool. More at the Game Room and the tool bench.