Here is my embarrassing list.
=Noteworthy
1984 by George Orwell
Catch-22 Joseph Heller
Dune by Frank Herbert
East of Eden by John Steinbeck
Good Omens by Terry Pratchett and Neil Gaiman
Snow Crash by Neal Stephenson
The Color of Magic by Terry Pratchett
The Lesson by Cadwell Turnbull
The Name of the Wind by Patrick Rothfuss
The Parable of the Sower by Octavia E. Butler
=Less Noteworthy
Black Sea Gods by Brian Braden
Mythos by Stephen Fry
Smallworld by Dominic Green
The One by John Marrs
The Unlikely Pilgrimage of Harold Fry by Rachel Joyce
Every discworld fan will agree. The first two are terrible. They are straight parodies of the fantasy genre in the 70–80s. The rest of the series are more adult satire of real world issues and institutions and the stories have actual characterisation and pathos.
Huh, maybe I should give the others a go then. I read the first two last year and thought they were awful