One problem I see with annas archive is that there is a tendency towards older books. Now I do understand this for many reasons, but ... I recently read a book about steel construction in 1932, just for curiousity. I wanted to find a more recent one - did not even have to be, say, 1990 or 2000 or some such, but I simply could not find any (well, perhaps english speaking, but this is also a problem in that non-english…
With a few other options in search:
https://openlibrary.org/search?q=%22steel+construction%22&mo...