Same book, different titles?

[tovarisch]

I've been looking for some mystery books to listen to, and came across R Austin Freeman. Lo and behold, there are two books that appear to be the same, but recorded under different titles. Anyone knows why that is so?

https://librivox.org/the-vanishing-man-by-r-austin-freeman/
https://librivox.org/the-eye-of-osiris-by-r-austin-freeman/

Mostly just curious. Thanks!

[TriciaG]

The Bibrec tab at Gutenberg says of "The Vanishing Man":

Published in the UK as "The Eye of Osiris"

And vice versa, with the PG text of "The Eye of Osiris." So there ya go.