Originally Posted by Gazella20
In that case, I will read the previous three. I just downloaded The Mysterious Affair at Styles
, I just discovered that it's free on Project Gutenberg along with Secret Adversary
It is ONLY out of copyright in the United States. The UAE has a "life+50" copyright term so the book is very much still in copyright there, since Agatha Christie died in 1976.
The "Project Gutenberg" site does ask you to check the copyright status in your own country before downloading.