
In a drab Paris hotel room, a dying stranger refuses to reveal his name, handing a battered leather bag and a striking blue envelope to the compassionate Dr. Raymond Diamond. The stranger’s frail, trembling hand and cryptic request hint at a secret so profound that he risks his last breath to protect it. Intrigued, the doctor, a learned English physician, senses a hidden story behind the man’s evasive demeanor and the mysterious parcel.
The two men, both strangers in a foreign city and bound by financial hardship, share idle moments in the Tuileries Gardens, where the stranger’s astonishing recollections of distant lands—Syria, Egypt, Persia—suggest a past steeped in adventure and concealed knowledge. As the envelope remains unopened, the doctor’s curiosity deepens, hinting at a revelation that could reshape history’s understanding of wealth and power. Listeners are drawn into a suspenseful encounter where a single envelope may hold the key to an astonishing secret, waiting to be uncovered.
Language
en
Duration
~8 hours (470K characters)
Publisher of text edition
Project Gutenberg
Credits
Nick Hodson of London, England
Release date
2012-10-27
Rights
Public domain in the USA.
Subjects

1864–1927
A hugely popular early master of spy fiction, he turned fears of invasion and international intrigue into fast-moving stories that gripped readers before the First World War. His books helped shape the mood of his age, mixing journalism, suspense, and a flair for dramatic danger.
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