All chapters

The Layton Court Mystery · Chapter

XIII: Mr. Sheringham Investigates a Footprint explained

Roger Sheringham discovers a footprint beneath the library window, proving that the murderer escaped by stepping backward from the sill after cleverly rigging the window handle to lock itself.

What happens

Roger Sheringham discovers a footprint beneath the library window, proving that the murderer escaped by stepping backward from the sill after cleverly rigging the window handle to lock itself. He and Alec then observe Major Jefferson's delayed departure and suspect he may have been spying on them. They plan to investigate the mysterious stranger and examine yesterday's wastepaper for clues.

Themes in this chapter

  • Fair Play in Detective Fiction

    Roger's discovery of the footprint and the window-locking mechanism provides a clear, logical clue that the reader could theoretically follow.

  • Appearance vs. Reality

    The footprint initially appears to show someone entering, but Roger's analysis reveals it was made by someone escaping, highlighting the deceptive nature of evidence.

  • The Role of the Amateur Detective

    Roger's methodical investigation and playful rivalry with Alec exemplify the amateur sleuth's approach to solving crimes outside official channels.

Characters to notice

  • Roger Sheringham

    Discovers the footprint and demonstrates how the window was locked from outside; devises a plan to investigate the mysterious stranger and the ash pit.

  • Alexander Grierson

    Initially skeptical but becomes enthusiastic after seeing the footprint evidence; assists Roger in observing the chauffeur and the car.

  • Major Jefferson

    Suspected of having delayed his trip to Elchester and possibly spying on Roger and Alec from the library.

Key passages

  • It's extraordinarily simple, really. That's why we never spotted it.

    Roger explains that the solution is so straightforward that it was overlooked.

    Roger's characteristic confidence in his deductive abilities.

  • I said it must be lying under our noses all the time.

    Roger remarks that the clue was obvious but unnoticed.

    Highlights the theme of hidden-in-plain-sight evidence.

  • Well, I'm dashed!

    Alec expresses astonishment at Roger's demonstration.

    Alec's reaction underscores the cleverness of the window mechanism.