Like any other comment, I will ask the same. How did you get 1 million manuals? Show HN is for small projects usually. Can you tell us or tell us a range you paid for the 1 million manuals?
There's a lot of terrible sites like this that either have bad data, bad navigation/taxonomy, overladen with ads, or try to force their viewer versus allowing a pdf download, etc. This site, after a quick once-over, seems pretty nice on all those counts.
We already have a situation where in theory you can make a backup copy of any movie your bought, but in practice DRM prevents you from doing so. Thats when DRM is not installed as spyware.
They are riding rough over us, abusing laws invented in previous millennium to protect poetry and novels. We need to fight for our rights.