Neil Gaiman wrote Neverwhere after working on the script for a television-series by the same name. Having never seen the series, I can only give my opinion on the book.
I bought my copy in the Fnac in Antwerp, Belgium.
Both the cover art and the text on the back sucked me in.
My copy has 379 pages.
"Under the streets of London... It's a place most people could never even dream of. A city of monsters and saints, murderers and angels, knights in armour and pale girls in black velvet. This is the city of the people who have fallen between the cracks. Richard Mayhew, a young businessman, is going to find out more than enough about this other London. A single act of kindness catapults him out of his workday existence and into a world that is at once eerily familiar and utterly bizarre. And a strange destiny awaits him down here, beneath his native city: neverwhere. Richard is a normal man, thrown into the world of London Below. He can be stupid and has no backbone whatsoever. I really got irritated by him at some point, but I kept on reading because the book had a way of sucking me back in."
I definitely enjoyed the novel.
The story started out quite confusing and it took me some time to really get into it. I had to stop reading every so often to really think about what I had just read.
What I liked most about this book is reading about this London Below, reading about the world, the people and the dangers there.
I would have liked more depth to the characters and the plot. The premise is amazing and the characters are very interesting, but it's still too superficial in my opinion.
The novel is weird, fast, funny, charming, imaginative, absurd, unique, bizarre and very, very entertaining.
Gaiman's writing is really beautiful and clever and he makes you visualize everything he describes. You can't help but seeing it in front of you.
All in all I recommend this book because I did enjoy it. It's just not as elaborate as I would have liked and it can be quite confusing.