Just when I think I'm out they pull me back in ~ George Cantstandya
I was looking for China Mieville books I still need and came across BROKEN BINDING, a new publisher out of UK. Their website is definitely worth a look:
https://thebrokenbindingsub.com/
Beyond the Gates seems to be a private area for members but if you click on pretty much any book that's up at the moment, you will see the secret books. This is how I saw the Andy Weir set and the next Mieville book (The Scar).
The prices are very reasonable and shipping even more so (12 GBP for airmail).
The books are really nice too.