Instruct: Classify Amazon reviews into positive or negative sentiment
Query: and I had such high hopes...

The idea of the Morlocks using the time machine to menace Victorian London is a good one - I'd like to see someone else give it a shot.I first saw a reference to this book in a science fiction encyclopedia, under the "Cyberpunk" entry. But it's not really cyberpunk, or even science fiction. It's a rather poor fantasy novel, with more sorcery than science fiction. If the idea of the Morlock-fighting protagonists, including Merlin and King Arthur, running about London's oldest and deepest sewers, which are actually remnants of Atlantis, in a recovered Atlantean submarine sounds stupid to you, then you'll understand why it was a struggle to make myself finish reading this thing.