Hi! And welcome to my Most Significant SF/F Novels Test.
This is simply a list of the 50 most Significant Science Fiction and Fantasy Novels published from 1953-2002, According to the Science fiction Book Club.
There are a few I'd add to the list, as well as a few I wouldn't have put here, but they're a business, and I suspect that these are the most significant ones that they stock, although I couldn't say for sure - There are businesses out there that do manage objectivity.
I figure that this is a good measure of True Geekiness. Since anybody can watch a 2-hour movie, and this is a reader's poll, only True Geeks are likely to score high on this.