Every time I read a description of GR I think Robert Anton Wilson was probably inspired by that when he wrote The Illuminatus! Trilogy. Illuminatus is probably

Every time I read a description of GR I think Robert Anton Wilson was probably inspired by that when he wrote The Illuminatus! Trilogy. Illuminatus is probably easier to understand though. Lots of references to Joyce in Illuminatus also. It's probably good prereq reading to GR.