The Trail of Broken Emperors

Six identical busts, smashed across London one by one — reason your way to what the plaster holds.

A lunatic seems to hate Napoleon — but only six particular Napoleons. Forge the chain from vandalism to the pearl of the Borgias.

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