Joe Chip works for a company that blocks psychic powers. After a bombing on the Moon, reality starts degrading around him — 1992 becomes 1939, technology reverses, and a mysterious product called Ubik seems to be the only thing holding the world together. Dick's most inventive and unsettling novel.
Clean — reality horror.
Skip if you dislike:
Moods: Mind-Bending Paranoid Trippy Dark
Tropes: Reality Shifting Half-Life Time Decay Psychic Powers
Deliberately not — it's designed to make you question everything you just read.
Time magazine included it in the 100 greatest English-language novels since 1923.
That is the question the entire novel asks.