I'm reading Logan's Run, the novel that inspired the movie. While the movie is a fairly straight-forward story, the novel is way more bat-shit. Murderous children. A mentally unstable cyborg ice sculptor. A giant maze of pneumatic tubes that rapidly take cars to all known parts of the inhabited world, including a mostly abandoned underwater city...
It's definitely not a work of literary genius, but it's super entertaining and fast-paced. If you like weird sci-fi, I highly recommend it.