How do you know? Some of that stuff (no longer listed, I notice) cannot be in .pdf.
USD 200 for all of it? Delivered to the UK? That's not so bad!
I'm suspecting half a dozen grocery* boxes of (heavy) manuals. But I must admit to wondering which hospital in Vietnam is having to go without, as it were.
@Huw: I would say that the clue is in the title!
*
There's an old fashioned term for you!