I’ve found that the best way to sum up this book is, “It’s a Roger Zelazny novel.”

For anyone who doesn’t really know what that means, I’ll try to explain.

With a world where one half is perpetually day, and the other is night, the populations of both are similarly segregated. Daytime has normal humans and a technological civilization, and nighttime has sorcerers who come back from the dead an unspecified number of times. Magic and technology only work their respective halves of the world, and only mix in the twilight area. There’s some philosophical discussions of looking at the world in different ways, but mostly this is just allowed to make the novel something of a mish-mash, with parts fantasy, and modern day academia.

There’s a secondary-character subplot that never quite comes into it’s own, along with a few more that do. And after wandering around a bit, there’s an epic-scale ending.

And despite the way all that sounds, it works. It’s not great (and is not one of his best works), but just about everything in the novel ties back into his main themes. It doesn’t really come to any solid conclusions, and you could say the same of the action, though things are definitely finished.