I tell people it feels as much like a technical manual on how to terraform the red planet as it does a fictional story.

LOL. I’ve only read his novel “2312” and describe it in a very similar way.

It’s like he wrote a book about how technology and humanity could look in 300 years and thought, “I guess I have to shove a story in there too!”

The actual world is far more interesting than the story.

If you liked The Graveyard Book, then you should definitely read more Gaiman.