Went in on a friend’s recommendation, delivered with the caveat that it’s basically hard sci-fi for people who fall down Wikipedia rabbit holes about neurological disorders, and that’s honestly the most accurate one sentence pitch I could give you too. A first contact mission gets sent to investigate an alien presence past Neptune, crewed by a linguist with five separate personalities, a soldier wired for combat, a narrator missing half his brain who reads emotion through learned analysis rather than feeling it, and captained by a genetically resurrected vampire, because in this world’s backstory vampires were a real predatory human subspecies before we bred them out. That sentence should not work. It works.

The book is actually running a version of the Chinese Room argument at you the whole time, the idea that something can process language perfectly, respond correctly, pass every test, and still not be conscious of any of it, and by the end you’re meant to genuinely question whether the alien intelligence the crew is dealing with, or for that matter the narrator himself, has anyone home behind the responses. It’s the kind of premise that could be a dry thought experiment, but Watts keeps it tense, claustrophobic, genuinely creepy in a way that reminded me of a haunted house movie more than a philosophy seminar. The alien vessel itself, Rorschach, is one of the best pieces of pure “this is not for us to understand” set design I’ve read, somebody described it as what you’d get if the Shrike from Hyperion were an asteroid instead of a monster, and that comparison has stuck with me.

Docking a star mainly for accessibility, not ambition: the vocabulary is genuinely dense, I had a tab open the entire time looking up terms, and the narrator’s flat affect keeps you at arm’s length from caring about anyone as a person rather than an idea. Worth knowing before you start: Watts actually posted the whole book free online for years with an appendix of real citations, and there’s a genuinely funny in-character vampire biology essay on his site if you want more of this after finishing. Four stars, and it’s going to sit in my head for a while.