My first slackware install guide was a three inch thick book so 36 pages is like the absolute bare minimum.

I wish there was one that’s up to date today. I’d pay good money for that.
If you install Slackware now, you can’t open linuxquestions.org (the official support forum) because the Firefox version is too old for the Capcha. If you then do slackpkg upgrade-all and reboot, it won’t boot cause you forgot to point the bootloader towards the new kernel. Things like that can really bounce you off the distro.