10 Sci-Fi Books That Are Perfect From the First Page to the Last

To find a great science fiction book is rare enough of a treat, but to find one that's absolutely perfect from the beginning of the first page until the very last line? That's the sort of book that only comes across every so often, the kind that's guaranteed to go down in history as one of the best in the history of sci-fi. Indeed, a few of the genre's best outings ever can be said to be truly flawless from beginning to end.