Sherlock Holmes - Book 30 - The Adventure of Black Peter
Summary
A ship captain is found dead, stabbed through with a harpoon. Police inspector Stanley Hopkins, who is being mentored by Sherlock Holmes, brings the case to Holmes and Dr. Watson. An abusive man, the captain had many enemies, widening the suspect list. The investigation finds Holmes and company on a stakeout, on a case that involves a chance meetings on the high seas, and stolen securities.