
A priceless Inca dagger has vanished from the university’s South American exhibit, and the loss weighs heavily on young professor Allan Norton, a celebrated explorer who risked everything to bring the artifact home. He meets his eager colleagues, Kennedy and Craig, in the museum’s marble halls, surrounded by relics from Peru, Mexico and beyond, to discuss the baffling theft. The dagger’s enigmatic engravings, still unreadable, seem to be the only item taken, suggesting a motive far deeper than simple greed.
As the trio examines the surrounding displays, Craig discovers a set of faint footprints and nail‑studded shoe marks hidden inside a nearby mummy’s sarcophagus. Using a pocket lens, they begin to piece together a timeline: a thief who slipped in during daylight, lingered unnoticed, and struck only when the night watch was far between. Their careful forensic work hints at a clever intruder and a mystery that could lead them far beyond the museum walls.
Language
en
Duration
~6 hours (368K characters)
Publisher of text edition
Project Gutenberg
Release date
2004-02-01
Rights
Public domain in the USA.

1880–1936
Best remembered for creating Craig Kennedy, the “scientific detective,” he helped shape early American crime fiction with stories that mixed mystery, journalism, and new technology. His fast-moving adventures also spilled into silent-film serials, making him a bridge between pulp storytelling and the movies.
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