Wait, wait, wait. How is The Likeness your favorite? All her other novels are, y’know, believable.
Unrelatedly, maybe I’m missing a criterion here, but there’s a whole lotta Stephen King that is longer than 500 pages and well worth your time. Duma Key is probably my favorite of his post-accident novels (and creeping up my top-5-all-time list) and lands at a modest 612 pages.
It’s long been a problem, that once an author gets big enough, editors become afraid to edit them. I’m not sure if it’s fear of the name (or the author themself) or fear of damaging the cash-cow.
Anyone who has spent any time at all reading Charles Dickens will recognize what Stephenson is doing. And btw, if you like reading Stephenson, you may like Dickens work.
Stephenson does read Dickens, as he mentioned in one of his book tour Q&A with the audience things on Youtube.
If you are looking for lean, news wire reportage-y prose, stripped of most detail, go read Ernest Hemingway.