Dune vs The Discworld Series

It's one of the very rare science fiction books (especially ones set in a far away future) that doesn't include robots or computers.

The book covers topics such as ecology, politics, religion, humanism and war and touches on subjects like artificial intelligence, gender dynamics, nuclear weapons, architecture, engineering, heroism and many many more. All of these aspects are intertwined and executed on a grand scale.

This is an old series, several video games have been inspired by this book. Dune, Dune 2, dune 2000 and more.

Dune is one of the first sci-fi books to have as detailed fictional ecology that plays a big part in the overall story.

Terry Pratchett has a way of putting every day situations into new contexts that makes you laugh.

The books are (while not exactly based on each other) adding each a new facet to the imagined world of the Discworld.

Diskworld runs by its own rules, which sir Pratchett managed to describe and abide by. The whole thing is extremely hilarious and absurd while at the same time managing to be completely logical.

There is an incredible amount of references to books/films/music/pop culture/historical events and figures/whatever else you can think of. Some of them are quite obvious, some you might get only a few years after reading the book - when you learn some small random tidbit of history or watch a particular scene in the movie. It's not only extremely enjoyable but also makes you feel proud when you suddenly connect the dots and figure out some obscure reference.