Rating: 
Summary: Amazing...!
Review: This is one of 'Asimov at his best'.. A totally different perspective of visualizing a world..Imagine ignorance of the concept of DARKNESS ! Great one...A must read for SF fans.
Rating: 
Summary: I was expecting for more...
Review: Having never read anything by Silverberg, but being an avid Asimov readoer, I picked this one up. The first part of the book is well handled and very interesting. It truly expands the original short story. I thought to myselg "this will earn 4 stars at least."Then the second part, Daybreak, came along... and my rating fell from 4 stars to 2. Characters became flat, the story became boring and cliched and it has one of the worst endings I've ever read, so hurried up, to wrap things up fast. Looking for great Asimov sci-fi? Try the original "Nightfall". Try the Robot Novels and the Foundation series. Try The End of Eternity. They WON'T dissapoint you. This one, on the other hand, will.
Rating:
Summary: Nightfall is magnificent.
Review: Nightfall is perhaps one of the best science-fiction stories I have read. The concept of a world with multiple suns that never sees night is very unique and entertaining. Perhaps the best part of the novel is the fanatical religious cult that predicts an impending doom for this planet. The novel has some basic striking similarities to the new movie "Pitch Black". The concept of the world is the same, but the creatures are not. It is hard to imagine what would happen to a world that never saw night. This novel shows the paranoia and mob frenzy found in a new situation.
Rating:
Summary: Here's a Book That'll Make you Turn Out the Light...
Review: ...and go to sleep. Is it just me, or are the main characters in this book unsympathetic? The only one I can think of that was even slightly likeable was Sheerin, and yet he's scarcely there past the introductory chapter. I really wish I could have just read the short story, and done without several hundred pages of tedious "before and after" fluff.
Rating:
Summary: Night fell...and who cares.
Review: The book promises something special. It's premise is interesting but the characters are ultimately boring. The religious undertones are interesting but not fully developed and the climax? What climax? Once night falls the story goes awry giving us no sense of what the big deal was or was promised. What a let-down.
Rating:
Summary: Where can I find the original short story?
Review: I agree that the original "Nightfall" short story is one of the very best from the Golden Age of Science Fiction in the 1940s, and I see no need for it to have been expanded into book length. But where can I find the original still in print? A note on one of the earlier reviews of this book: I'm sure the 16th-century astronomer and mathematician Johannes Kepler was meant, not the 20th-century novelist Arthur Koestler.
Rating:
Summary: One Word
Review: Really one word. No further comment is necessary on this book. It is magnificient.
Rating: 
Summary: One of Asimov's best works
Review: I consider Isaac Asimov a pretty over-rated writer. Now, this book's very well written. Unlike many other authors, Mr. Asimov knows how to make a fictious universe physically credible. "Nightfall" is an exciting glance at an intelligent race that is, in a certain sense, very different from us, and quite similar in some other aspects. The idea behind the story is really excellent. When you have gnawed through the chaotic first chapters (which you will have to re-read a little later, because at first, they will make no sense), it'll be difficult to put the book down. Only the ending is a bit too abrupt - as if the author suddenly realised that he was approaching his page limit. Never mind, the book's still very interesting and educating. Read it!
Rating:
Summary: Fantastic book
Review: This is not a typical sci-fi story, but that's certainly no criticism. People can enjoy this book at all levels. In particular, the religious undertones are very compelling. Definitely worth reading.
Rating:
Summary: A short story should a short story remain.
Review: A noted classic in science fiction, "Nightfall" by Asimov (the short story first printed in 1941) is a gripping, detailed look at a planet and the nightmare of an eclipse every 2049 years. Silverberg and Asimov (and I'm not sure of the collaborative process here), have taken this story and expanded it. What was once the tale of a planet becomes the tale of several individuals on a planet. The shift in focus does not work well. What was once a skillful examination of a society becomes an almost soap opera of characters without clear focus. The two characters that become the protagonists in the second half of the book are certainly interesting, but their personalities change and the reader is left to wonder why these two characters have been singled out to study. And they are not studied. After nightfall comes, the book is simply drudgery: repetitive, predictable, and with no new light shed on this society. The book essentially shifts from a skillful probe into human nature (okay, on a different planet) into an adventure story whose point has been muddied. If you have not read the short story, you need to. Instantly. This book has been watered down, the focus has been lost, and the purposes of its existence are unclear.
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