"He wants us to follow him to the Tower, Holmes," Watson remarked, peering at the feather through his spectacles.

Breakdown the between the book and this 1939 film Find behind-the-scenes trivia about the production

"No, Watson. That is what he wants the Yard to think," Holmes countered, pointing to a microscopic smudge of red clay on the feather’s tip. "This clay is unique to the excavations near the East End docks. Moriarty isn't going for the jewels; he’s going for the shipment of gold arriving at midnight."

"Elementary, my dear Watson," he whispered, looking out at the rising sun. "But a close shave, nonetheless." If you'd like to dive deeper into this classic era, I can: List the starring Rathbone and Bruce