[exdsq]

I was so excited at the prospect of Z being on the front page, but sadly the wrong one for me

https://en.wikipedia.org/wiki/Z_notation

[xylol]

Haha same here but sadly the wrong one for me https://en.m.wikipedia.org/wiki/Z_(video_game)

[tacon]

They have most of the Z books listed in Wikipedia:

https://book4you.org/book/1057065/129aaa

https://book4you.org/book/715472/efd9e3

https://book4you.org/book/1170163/0d5082

[exdsq]

That's fun, thank you!