I have read a few S-Tier fantasy books but never came across an S-Tier science fiction book.

I start to believe there's no such thing as an S-Tier book in that genre.

Used to build @kiwi | https://macbudkowski.com/

Inb4 
Foundation is max 8/10, 
Dune is 7-8/10 depending on the episode but starts being 6/10 when it starts reading like some galactic Qur'an
Player of Games is 8.5/10 but is too predictable

i /yoink & build in the /arweave ecosystem with PDS.inc

noun seven three zero | onchain experimentation maxi @ zerorights.media, zeropod.xyz, @betrmint, the /yellow collective

michael crichton and richard matheson are the GOATs of sci-fi literature please confirm @7858.eth