[Archipelagia]

If you enjoyed PHM, you might also like: - For a more horror take, "There's no Antimemetic Division" https://qntm.org/scp. Without spoiling, it's about people trying to fight against a threat that's impossible to remember about. - Ted Chiang's "Understand". Again without spoiling too much, it's about a man whose intelligence rapidly increased. - Harry Potter and Methods of Rationality. Yeah, I'm serious, if you like the "smart character solves problem by thinking" it's amazing.

[SyzygistSix]

Everything by Qntm that I've read has been great. Incredibly imaginative. I recommend Ra and Fine Structure in addition to the Antimemetics stuff.

[agentwiggles]

I didn't like Ra nearly as much as Antimemetics... It started out really strong and then took a very weird turn. I should get around to reading Fine Structure though.