about this site ??
http://betah.co.il/BooksCatalog.aspx?category=
There are books for download. But I am not sure if its legal.
Paf
The books about aviation seem to be a bit old, maybe thats why we can download them?
They are mostly written in english, but there are italian, german and russian books also.
Paf
I think the download is a bit slow. 
Not sure what to make of it othervice…
ehm found robert shaw book…
Don’t think the site owner checked for copyrights…:(:(