I like reading occultist stuff and lotsa anarchist stuff.
As far as occultist stuff goes, I tend to like Crowley-related stuff because he was a relatively recent figure, so there's a lot of well sourced stuff written about him--bug biographies with plenty of interviews and stuff. I like reading texts about Thelema, but not so much Crowley's own writing--he was kind of shitty at doing the whole mystic-style writing thing.
I also like reading up on witchcraft stuff, including old original texts, commentaries written during and about the times witchcraft was relevant, and the Margaret Murray (and friends) stuff that started the modern witchcraft/wicca movements.
Kinda relevant to both, but I also enjoy demonological texts, although I'm really only super familiar with Ars Goetia, in particular the Lesser Key of Solomon, which I've read a bunch of versions of. It's fun to read up on commentaries on how that stuff evolved. A significant portion of it is, like, Jewish mysticism filtered through Christian Gnosticism filtered through folklore filtered through ARGH MONSTERS.
I also like reading up on Gnosticism. What tickles me about it is that it's this movement that was basically born and killed within 200-300 years just under 2000 years ago, and much of the information we have on it has been discovered in the past 60 years. It's also just a cool little movement with very diverse ideas between its various groups.
I also like staying on top of the sex toy industry.
spoiler (click to show/hide)
typed on my phone in the back of a Lyft. I'm not going to go back and fix typos