There seems to be some confusion on the reviews of this superb box set. I have recently purchased it from Amazon and can confirm it includes: murders in the rue morgue, the black cat, the raven, The invisible ray and Black Friday so am unsure which box set other reviewers are referring to!
With the exception of Dracula and White Zombie the films contained in this collection, in my opinion, represent the high points of Lugosi's career. Unlike many cheaper Lugosi box sets available on Amazon this is a quality affair. The pictures are crisp and well defined with deep blacks, not light grey, whilst the audio tracks are clear and not drowned out by the 'hiss' or distortion often found on cheaper releases.
If you are a Lugosi fan and have bought, and been disappointed by cheaper box sets, this is the one that stands out from the crowd. A must buy!