Sherlock Holmes" The Creeping... | "the Case-book Of

Holmes and Watson witness the Professor scurrying on all fours and climbing the ivy on his house like an ape. During one of these fits, the dog breaks loose and nearly kills the Professor.

Presbury, a 61-year-old widower engaged to a much younger woman, Alice Morphy, has become irritable and secretive. Most alarmingly, his own faithful bloodhound, Roy, has begun attacking him at regular nine-day intervals. "The Case-Book of Sherlock Holmes" The Creeping...

is one of the final 12 short stories featuring Sherlock Holmes, written by Sir Arthur Conan Doyle. First published in March 1923 in The Strand Magazine , it was later included in the final collection, The Case-Book of Sherlock Holmes , in 1927. Plot Summary Holmes and Watson witness the Professor scurrying on

Trevor Bennett, the personal secretary and future son-in-law of the famous physiologist Professor Presbury , consults Holmes regarding the Professor's bizarre behavior. Most alarmingly, his own faithful bloodhound, Roy, has

Holmes discovers that Presbury has been injecting himself with a rejuvenation serum derived from langurs (monkeys), sourced from a "quack" in Prague named Lowenstein. The Professor was driven by vanity and a desire to remain young for his young fiancée. Key Themes & Reception

The story is set in , making it one of Holmes’ final cases before his retirement to Sussex.