# Fortieth Door

An audiobook by Mary Hastings Bradley, read by LibriVox volunteers (7 h 13 min, English).

A young American archeologist, a masked ball in Cairo, an illusive young woman and the unexplained disappearance of a Frenchman fifteen years earlier all play into this mystery by Mary Hastings Bradley. (summary written by J. M. Smallheer)

[Listen](https://invisiblenetwork.ai/books/librivox/992)
[Read the book](https://invisiblenetwork.ai/books/gutenberg/13498/read)